375216855552 has 960 divisors, whose sum is σ = 1448613175680. Its totient is φ = 94755225600.

The previous prime is 375216855493. The next prime is 375216855553. The reversal of 375216855552 is 255558612573.

375216855552 is a `hidden beast` number, since 3 + 7 + 5 + 2 + 1 + 6 + 85 + 5 + 552 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (375216855553) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 275691352 + ... + 275692712.

It is an arithmetic number, because the mean of its divisors is an integer number (1508972058).

Almost surely, 2^375216855552 is an apocalyptic number.

375216855552 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 375216855552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (724306587840).

375216855552 is an abundant number, since it is smaller than the sum of its proper divisors (1073396320128).

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

375216855552 is a wasteful number, since it uses less digits than its factorization.

375216855552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1450 (or 1421 counting only the distinct ones).

The product of its digits is 12600000, while the sum is 54.

The spelling of 375216855552 in words is "three hundred seventy-five billion, two hundred sixteen million, eight hundred fifty-five thousand, five hundred fifty-two".