10642540 has 24 divisors (see below), whose sum is σ = 22421952. Its totient is φ = 4243200.

The previous prime is 10642529. The next prime is 10642547. The reversal of 10642540 is 4524601.

It is a super-2 number, since 2×10642540² = 226527315303200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10642547) 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, 7357 + ... + 8683.

It is an arithmetic number, because the mean of its divisors is an integer number (934248).

It is a vampire number, since it can be written as 2654 ⋅ 4010 (with its own digits).

Almost surely, 2^10642540 is an apocalyptic number.

10642540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10642540 is an abundant number, since it is smaller than the sum of its proper divisors (11779412).

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

10642540 is a wasteful number, since it uses less digits than its factorization.

10642540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1737 (or 1735 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 10642540 is about 3262.2906063072. The cubic root of 10642540 is about 219.9623902651.

The spelling of 10642540 in words is "ten million, six hundred forty-two thousand, five hundred forty".