375649477632 has 1584 divisors, whose sum is σ = 1462009191552. Its totient is φ = 94595973120.

The previous prime is 375649477631. The next prime is 375649477633. The reversal of 375649477632 is 236774946573.

It is a happy number.

375649477632 is a `hidden beast` number, since 3 + 7 + 564 + 9 + 4 + 7 + 7 + 63 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (375649477631) and next prime (375649477633).

It is a tau number, because it is divible by the number of its divisors (1584).

It is a super-2 number, since 2×375649477632² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

Its product of digits (160030080) is a multiple of the sum of its prime factors (108).

It is a self number, because there is not a number n which added to its sum of digits gives 375649477632.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (375649477631) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 16332585973 + ... + 16332585995.

Almost surely, 2^375649477632 is an apocalyptic number.

375649477632 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 375649477632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (731004595776).

375649477632 is an abundant number, since it is smaller than the sum of its proper divisors (1086359713920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

375649477632 is a wasteful number, since it uses less digits than its factorization.

375649477632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108 (or 69 counting only the distinct ones).

The product of its digits is 160030080, while the sum is 63.

The spelling of 375649477632 in words is "three hundred seventy-five billion, six hundred forty-nine million, four hundred seventy-seven thousand, six hundred thirty-two".