40416879 has 16 divisors (see below), whose sum is σ = 54991872. Its totient is φ = 26397888.

The previous prime is 40416877. The next prime is 40416881. The reversal of 40416879 is 97861404.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (40416877) and next prime (40416881).

It is not a de Polignac number, because 40416879 - 2¹ = 40416877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40416877) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46402 + ... + 47264.

It is an arithmetic number, because the mean of its divisors is an integer number (3436992).

Almost surely, 2^40416879 is an apocalyptic number.

40416879 is a deficient number, since it is larger than the sum of its proper divisors (14574993).

40416879 is a wasteful number, since it uses less digits than its factorization.

40416879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1166.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 40416879 is about 6357.4270739034. The cubic root of 40416879 is about 343.1791740967.

The spelling of 40416879 in words is "forty million, four hundred sixteen thousand, eight hundred seventy-nine".