355620749000 has 128 divisors (see below), whose sum is σ = 908231201280. Its totient is φ = 129255616000.

The previous prime is 355620748961. The next prime is 355620749023. The reversal of 355620749000 is 947026553.

It is a super-2 number, since 2×355620749000² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27966644 + ... + 27979356.

It is an arithmetic number, because the mean of its divisors is an integer number (7095556260).

Almost surely, 2^355620749000 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 355620749000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (454115600640).

355620749000 is an abundant number, since it is smaller than the sum of its proper divisors (552610452280).

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

355620749000 is a wasteful number, since it uses less digits than its factorization.

355620749000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15288 (or 15274 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 41.

The spelling of 355620749000 in words is "three hundred fifty-five billion, six hundred twenty million, seven hundred forty-nine thousand".