357420540 has 24 divisors (see below), whose sum is σ = 1000777680. Its totient is φ = 95312128.

The previous prime is 357420521. The next prime is 357420541. The reversal of 357420540 is 45024753.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 357420498 and 357420507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (357420541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2978445 + ... + 2978564.

It is an arithmetic number, because the mean of its divisors is an integer number (41699070).

Almost surely, 2^357420540 is an apocalyptic number.

357420540 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

357420540 is an abundant number, since it is smaller than the sum of its proper divisors (643357140).

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

357420540 is a wasteful number, since it uses less digits than its factorization.

357420540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5957021 (or 5957019 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 30.

The square root of 357420540 is about 18905.5690207938. The cubic root of 357420540 is about 709.6755377880.

The spelling of 357420540 in words is "three hundred fifty-seven million, four hundred twenty thousand, five hundred forty".