40012877 has 4 divisors (see below), whose sum is σ = 40032960. Its totient is φ = 39992796.

The previous prime is 40012871. The next prime is 40012897. The reversal of 40012877 is 77821004.

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 40012877 - 2²⁴ = 23235661 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 (40012871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6677 + ... + 11162.

It is an arithmetic number, because the mean of its divisors is an integer number (10008240).

Almost surely, 2^40012877 is an apocalyptic number.

It is an amenable number.

40012877 is a deficient number, since it is larger than the sum of its proper divisors (20083).

40012877 is a wasteful number, since it uses less digits than its factorization.

40012877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20082.

The product of its (nonzero) digits is 3136, while the sum is 29.

The square root of 40012877 is about 6325.5732546545. The cubic root of 40012877 is about 342.0318843317.

The spelling of 40012877 in words is "forty million, twelve thousand, eight hundred seventy-seven".