40629372 has 48 divisors (see below), whose sum is σ = 114051840. Its totient is φ = 10996992.

The previous prime is 40629361. The next prime is 40629373. The reversal of 40629372 is 27392604.

It is a super-2 number, since 2×40629372² = 3301491738228768, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40629373) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11133 + ... + 14324.

It is an arithmetic number, because the mean of its divisors is an integer number (2376080).

Almost surely, 2^40629372 is an apocalyptic number.

40629372 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

40629372 is an abundant number, since it is smaller than the sum of its proper divisors (73422468).

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

40629372 is a wasteful number, since it uses less digits than its factorization.

40629372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25490 (or 25488 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 40629372 is about 6374.1173506612. The cubic root of 40629372 is about 343.7795482258.

The spelling of 40629372 in words is "forty million, six hundred twenty-nine thousand, three hundred seventy-two".