40877685 has 24 divisors (see below), whose sum is σ = 73142784. Its totient is φ = 21097440.

The previous prime is 40877677. The next prime is 40877689. The reversal of 40877685 is 58677804.

It is not a de Polignac number, because 40877685 - 2³ = 40877677 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 40877685.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40877689) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13257 + ... + 16046.

It is an arithmetic number, because the mean of its divisors is an integer number (3047616).

Almost surely, 2^40877685 is an apocalyptic number.

40877685 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40877685 is a deficient number, since it is larger than the sum of its proper divisors (32265099).

40877685 is a wasteful number, since it uses less digits than its factorization.

40877685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29345 (or 29342 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 45.

The square root of 40877685 is about 6393.5659064406. The cubic root of 40877685 is about 344.4784811049.

The spelling of 40877685 in words is "forty million, eight hundred seventy-seven thousand, six hundred eighty-five".