40264623 has 18 divisors (see below), whose sum is σ = 67656264. Its totient is φ = 23008104.

The previous prime is 40264613. The next prime is 40264661. The reversal of 40264623 is 32646204.

It is not a de Polignac number, because 40264623 - 2⁴ = 40264607 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40264613) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 45211 + ... + 46092.

Almost surely, 2^40264623 is an apocalyptic number.

40264623 is a deficient number, since it is larger than the sum of its proper divisors (27391641).

40264623 is a wasteful number, since it uses less digits than its factorization.

40264623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91323 (or 91313 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 40264623 is about 6345.4411194179. The cubic root of 40264623 is about 342.7476972842.

It can be divided in two parts, 4026 and 4623, that added together give a square (8649 = 93²).

The spelling of 40264623 in words is "forty million, two hundred sixty-four thousand, six hundred twenty-three".