40620444 has 24 divisors (see below), whose sum is σ = 94971408. Its totient is φ = 13512960.

The previous prime is 40620439. The next prime is 40620451. The reversal of 40620444 is 44402604.

It is a congruent number.

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, 3364 + ... + 9620.

It is an arithmetic number, because the mean of its divisors is an integer number (3957142).

Almost surely, 2^40620444 is an apocalyptic number.

It is an amenable number.

40620444 is an abundant number, since it is smaller than the sum of its proper divisors (54350964).

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

40620444 is a wasteful number, since it uses less digits than its factorization.

40620444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6805 (or 6803 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 40620444 is about 6373.4169799253. The cubic root of 40620444 is about 343.7543653881.

The spelling of 40620444 in words is "forty million, six hundred twenty thousand, four hundred forty-four".