357917420644 has 81 divisors (see below), whose sum is σ = 736075786131. Its totient is φ = 151838895600.

The previous prime is 357917420617. The next prime is 357917420647. The reversal of 357917420644 is 446024719753.

It is a happy number.

The square root of 357917420644 is 598262.

It is a perfect power (a square), and thus also a powerful number.

It is a junction number, because it is equal to n+sod(n) for n = 357917420591 and 357917420600.

It is not an unprimeable number, because it can be changed into a prime (357917420647) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1264725727 + ... + 1264726009.

Almost surely, 2^357917420644 is an apocalyptic number.

357917420644 is the 598262-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 357917420644

357917420644 is an abundant number, since it is smaller than the sum of its proper divisors (378158365487).

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

357917420644 is an equidigital number, since it uses as much as digits as its factorization.

357917420644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 886 (or 443 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 52.

The spelling of 357917420644 in words is "three hundred fifty-seven billion, nine hundred seventeen million, four hundred twenty thousand, six hundred forty-four".