40623960 has 64 divisors (see below), whose sum is σ = 131251680. Its totient is φ = 9999360.

The previous prime is 40623959. The next prime is 40623967. The reversal of 40623960 is 6932604.

It is a super-2 number, since 2×40623960² = 3300612252163200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40623967) 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, 11461 + ... + 14580.

Almost surely, 2^40623960 is an apocalyptic number.

40623960 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40623960 is an abundant number, since it is smaller than the sum of its proper divisors (90627720).

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

40623960 is a wasteful number, since it uses less digits than its factorization.

40623960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26068 (or 26064 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 40623960 is about 6373.6928071566. The cubic root of 40623960 is about 343.7642832633.

The spelling of 40623960 in words is "forty million, six hundred twenty-three thousand, nine hundred sixty".