315462540 has 48 divisors (see below), whose sum is σ = 935256672. Its totient is φ = 79174656.

The previous prime is 315462533. The next prime is 315462571. The reversal of 315462540 is 45264513.

It is a super-2 number, since 2×315462540² = 199033228286503200, which contains 22 as substring.

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 = 315462498 and 315462507.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153619 + ... + 155658.

It is an arithmetic number, because the mean of its divisors is an integer number (19484514).

Almost surely, 2^315462540 is an apocalyptic number.

315462540 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

315462540 is an abundant number, since it is smaller than the sum of its proper divisors (619794132).

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

315462540 is a wasteful number, since it uses less digits than its factorization.

315462540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309306 (or 309304 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 315462540 is about 17761.2651576401. The cubic root of 315462540 is about 680.7420820303.

The spelling of 315462540 in words is "three hundred fifteen million, four hundred sixty-two thousand, five hundred forty".