376640409600 has 1560 divisors, whose sum is σ = 1720568696000. Its totient is φ = 79307735040.

The previous prime is 376640409581. The next prime is 376640409601. The reversal of 376640409600 is 6904046673.

376640409600 is a `hidden beast` number, since 37 + 6 + 6 + 4 + 0 + 4 + 0 + 9 + 600 = 666.

It is a tau number, because it is divible by the number of its divisors (1560).

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

It is not an unprimeable number, because it can be changed into a prime (376640409601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 754790151 + ... + 754790649.

Almost surely, 2^376640409600 is an apocalyptic number.

376640409600 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 376640409600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (860284348000).

376640409600 is an abundant number, since it is smaller than the sum of its proper divisors (1343928286400).

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

376640409600 is a wasteful number, since it uses less digits than its factorization.

376640409600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565 (or 529 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 45.

The spelling of 376640409600 in words is "three hundred seventy-six billion, six hundred forty million, four hundred nine thousand, six hundred".