40877793 has 18 divisors (see below), whose sum is σ = 64903202. Its totient is φ = 24773760.

The previous prime is 40877773. The next prime is 40877833. The reversal of 40877793 is 39777804.

It can be written as a sum of positive squares in only one way, i.e., 33732864 + 7144929 = 5808^2 + 2673^2 .

It is not a de Polignac number, because 40877793 - 2⁵ = 40877761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40877723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 17680 + ... + 19857.

Almost surely, 2^40877793 is an apocalyptic number.

It is an amenable number.

40877793 is a deficient number, since it is larger than the sum of its proper divisors (24025409).

40877793 is a wasteful number, since it uses less digits than its factorization.

40877793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37565 (or 37551 counting only the distinct ones).

The product of its (nonzero) digits is 296352, while the sum is 45.

The square root of 40877793 is about 6393.5743524260. The cubic root of 40877793 is about 344.4787844786.

The spelling of 40877793 in words is "forty million, eight hundred seventy-seven thousand, seven hundred ninety-three".