40623768 has 48 divisors (see below), whose sum is σ = 114103080. Its totient is φ = 13540608.

The previous prime is 40623763. The next prime is 40623823. The reversal of 40623768 is 86732604.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40623763) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8505 + ... + 12392.

Almost surely, 2^40623768 is an apocalyptic number.

It is an amenable number.

40623768 is an abundant number, since it is smaller than the sum of its proper divisors (73479312).

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

40623768 is a wasteful number, since it uses less digits than its factorization.

40623768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20918 (or 20902 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 40623768 is about 6373.6777452268. The cubic root of 40623768 is about 343.7637416876.

The spelling of 40623768 in words is "forty million, six hundred twenty-three thousand, seven hundred sixty-eight".