40632560 has 20 divisors (see below), whose sum is σ = 94470888. Its totient is φ = 16252992.

The previous prime is 40632547. The next prime is 40632569. The reversal of 40632560 is 6523604.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40632569) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 253874 + ... + 254033.

Almost surely, 2^40632560 is an apocalyptic number.

40632560 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40632560 is an abundant number, since it is smaller than the sum of its proper divisors (53838328).

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

40632560 is a wasteful number, since it uses less digits than its factorization.

40632560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507920 (or 507914 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 40632560 is about 6374.3674195955. The cubic root of 40632560 is about 343.7885395908.

The spelling of 40632560 in words is "forty million, six hundred thirty-two thousand, five hundred sixty".