40624420 has 24 divisors (see below), whose sum is σ = 85829184. Its totient is φ = 16151136.

The previous prime is 40624393. The next prime is 40624439. The reversal of 40624420 is 2442604.

It is a junction number, because it is equal to n+sod(n) for n = 40624391 and 40624400.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2742 + ... + 9421.

It is an arithmetic number, because the mean of its divisors is an integer number (3576216).

Almost surely, 2^40624420 is an apocalyptic number.

It is an amenable number.

40624420 is an abundant number, since it is smaller than the sum of its proper divisors (45204764).

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

40624420 is a wasteful number, since it uses less digits than its factorization.

40624420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12339 (or 12337 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 40624420 is about 6373.7288928852. The cubic root of 40624420 is about 343.7655807814.

The spelling of 40624420 in words is "forty million, six hundred twenty-four thousand, four hundred twenty".