40411664 has 10 divisors (see below), whose sum is σ = 78297630. Its totient is φ = 20205824.

The previous prime is 40411661. The next prime is 40411673. The reversal of 40411664 is 46611404.

It can be written as a sum of positive squares in only one way, i.e., 33547264 + 6864400 = 5792^2 + 2620^2 .

It is not an unprimeable number, because it can be changed into a prime (40411661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1262849 + ... + 1262880.

It is an arithmetic number, because the mean of its divisors is an integer number (7829763).

Almost surely, 2^40411664 is an apocalyptic number.

It is an amenable number.

40411664 is a deficient number, since it is larger than the sum of its proper divisors (37885966).

40411664 is a wasteful number, since it uses less digits than its factorization.

40411664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2525737 (or 2525731 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 40411664 is about 6357.0169104699. The cubic root of 40411664 is about 343.1644132969.

The spelling of 40411664 in words is "forty million, four hundred eleven thousand, six hundred sixty-four".