462406540 has 24 divisors (see below), whose sum is σ = 1002379392. Its totient is φ = 178995840.

The previous prime is 462406519. The next prime is 462406547. The reversal of 462406540 is 45604264.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (462406547) 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, 372289 + ... + 373528.

It is an arithmetic number, because the mean of its divisors is an integer number (41765808).

Almost surely, 2^462406540 is an apocalyptic number.

It is an amenable number.

462406540 is an abundant number, since it is smaller than the sum of its proper divisors (539972852).

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

462406540 is a wasteful number, since it uses less digits than its factorization.

462406540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 745857 (or 745855 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

The square root of 462406540 is about 21503.6401569595. The cubic root of 462406540 is about 773.2880922966.

The spelling of 462406540 in words is "four hundred sixty-two million, four hundred six thousand, five hundred forty".