357142840 has 16 divisors (see below), whose sum is σ = 803571480. Its totient is φ = 142857120.

The previous prime is 357142831. The next prime is 357142843. The reversal of 357142840 is 48241753.

It is a junction number, because it is equal to n+sod(n) for n = 357142796 and 357142805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (357142843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4464246 + ... + 4464325.

Almost surely, 2^357142840 is an apocalyptic number.

It is an amenable number.

357142840 is an abundant number, since it is smaller than the sum of its proper divisors (446428640).

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

357142840 is a wasteful number, since it uses less digits than its factorization.

357142840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8928582 (or 8928578 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 357142840 is about 18898.2231969040. The cubic root of 357142840 is about 709.4916946333.

The spelling of 357142840 in words is "three hundred fifty-seven million, one hundred forty-two thousand, eight hundred forty".