40626893 has 4 divisors (see below), whose sum is σ = 40797120. Its totient is φ = 40456668.

The previous prime is 40626881. The next prime is 40626913. The reversal of 40626893 is 39862604.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40626893 - 2⁴ = 40626877 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40626293) 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, 84755 + ... + 85232.

It is an arithmetic number, because the mean of its divisors is an integer number (10199280).

Almost surely, 2^40626893 is an apocalyptic number.

It is an amenable number.

40626893 is a deficient number, since it is larger than the sum of its proper divisors (170227).

40626893 is a wasteful number, since it uses less digits than its factorization.

40626893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170226.

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 40626893 is about 6373.9228893986. The cubic root of 40626893 is about 343.7725561838.

The spelling of 40626893 in words is "forty million, six hundred twenty-six thousand, eight hundred ninety-three".