40864662 has 40 divisors (see below), whose sum is σ = 92111976. Its totient is φ = 13540608.

The previous prime is 40864661. The next prime is 40864697. The reversal of 40864662 is 26646804.

It is a happy number.

40864662 is a `hidden beast` number, since 4 + 0 + 8 + 646 + 6 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40864661) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 30613 + ... + 31919.

Almost surely, 2^40864662 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40864662, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46055988).

40864662 is an abundant number, since it is smaller than the sum of its proper divisors (51247314).

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

40864662 is a wasteful number, since it uses less digits than its factorization.

40864662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1514 (or 1505 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The square root of 40864662 is about 6392.5473795663. The cubic root of 40864662 is about 344.4418953756.

The spelling of 40864662 in words is "forty million, eight hundred sixty-four thousand, six hundred sixty-two".