375481665000 has 720 divisors, whose sum is σ = 1392941850300. Its totient is φ = 91293696000.

The previous prime is 375481664989. The next prime is 375481665061. The reversal of 375481665000 is 566184573.

375481665000 is a `hidden beast` number, since 3 + 7 + 5 + 4 + 81 + 66 + 500 + 0 = 666.

It can be written as a sum of positive squares in 30 ways, for example, as 351646628004 + 23835036996 = 592998^2 + 154386^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 179 ways as a sum of consecutive naturals, for example, 737684746 + ... + 737685254.

Almost surely, 2^375481665000 is an apocalyptic number.

375481665000 is a gapful number since it is divisible by the number (30) 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 375481665000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (696470925150).

375481665000 is an abundant number, since it is smaller than the sum of its proper divisors (1017460185300).

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

375481665000 is a wasteful number, since it uses less digits than its factorization.

375481665000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664 (or 629 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The spelling of 375481665000 in words is "three hundred seventy-five billion, four hundred eighty-one million, six hundred sixty-five thousand".