40861668 has 24 divisors (see below), whose sum is σ = 95659200. Its totient is φ = 13575520.

The previous prime is 40861663. The next prime is 40861669. The reversal of 40861668 is 86616804.

It is not an unprimeable number, because it can be changed into a prime (40861663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1743 + ... + 9206.

It is an arithmetic number, because the mean of its divisors is an integer number (3985800).

Almost surely, 2^40861668 is an apocalyptic number.

It is an amenable number.

40861668 is an abundant number, since it is smaller than the sum of its proper divisors (54797532).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40861668 is a wasteful number, since it uses less digits than its factorization.

40861668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11267 (or 11265 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 40861668 is about 6392.3131963320. The cubic root of 40861668 is about 344.4334831830.

The spelling of 40861668 in words is "forty million, eight hundred sixty-one thousand, six hundred sixty-eight".