40889624 has 32 divisors (see below), whose sum is σ = 82918080. Its totient is φ = 18829824.

The previous prime is 40889621. The next prime is 40889627. The reversal of 40889624 is 42698804.

It is an interprime number because it is at equal distance from previous prime (40889621) and next prime (40889627).

It is a super-2 number, since 2×40889624² = 3343922701722752, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40889621) 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, 3194 + ... + 9590.

It is an arithmetic number, because the mean of its divisors is an integer number (2591190).

Almost surely, 2^40889624 is an apocalyptic number.

It is an amenable number.

40889624 is an abundant number, since it is smaller than the sum of its proper divisors (42028456).

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

40889624 is a wasteful number, since it uses less digits than its factorization.

40889624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6467 (or 6463 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 41.

The square root of 40889624 is about 6394.4995112988. The cubic root of 40889624 is about 344.5120147085.

The spelling of 40889624 in words is "forty million, eight hundred eighty-nine thousand, six hundred twenty-four".