356117991040 has 512 divisors, whose sum is σ = 1088839065600. Its totient is φ = 108424396800.

The previous prime is 356117990971. The next prime is 356117991049. The reversal of 356117991040 is 40199711653.

It is not an unprimeable number, because it can be changed into a prime (356117991049) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 623673955 + ... + 623674525.

It is an arithmetic number, because the mean of its divisors is an integer number (2126638800).

Almost surely, 2^356117991040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 356117991040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (544419532800).

356117991040 is an abundant number, since it is smaller than the sum of its proper divisors (732721074560).

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

356117991040 is a wasteful number, since it uses less digits than its factorization.

356117991040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1064 (or 1052 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 46.

The spelling of 356117991040 in words is "three hundred fifty-six billion, one hundred seventeen million, nine hundred ninety-one thousand, forty".