40622887 has 4 divisors (see below), whose sum is σ = 40738320. Its totient is φ = 40507456.

The previous prime is 40622861. The next prime is 40622947. The reversal of 40622887 is 78822604.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 40622887 - 2¹⁵ = 40590119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40622287) 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, 57187 + ... + 57892.

It is an arithmetic number, because the mean of its divisors is an integer number (10184580).

Almost surely, 2^40622887 is an apocalyptic number.

40622887 is a deficient number, since it is larger than the sum of its proper divisors (115433).

40622887 is a wasteful number, since it uses less digits than its factorization.

40622887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115432.

The product of its (nonzero) digits is 43008, while the sum is 37.

The square root of 40622887 is about 6373.6086324782. The cubic root of 40622887 is about 343.7612566231.

The spelling of 40622887 in words is "forty million, six hundred twenty-two thousand, eight hundred eighty-seven".