40164616 has 8 divisors (see below), whose sum is σ = 75308670. Its totient is φ = 20082304.

The previous prime is 40164599. The next prime is 40164617. The reversal of 40164616 is 61646104.

It can be written as a sum of positive squares in only one way, i.e., 37088100 + 3076516 = 6090^2 + 1754^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×40164616² = 3226392756854912, which contains 22 as substring.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (40164617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2510281 + ... + 2510296.

Almost surely, 2^40164616 is an apocalyptic number.

It is an amenable number.

40164616 is a deficient number, since it is larger than the sum of its proper divisors (35144054).

40164616 is a wasteful number, since it uses less digits than its factorization.

40164616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5020583 (or 5020579 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 40164616 is about 6337.5559958078. Note that the first 3 decimals coincide. The cubic root of 40164616 is about 342.4636962249.

The spelling of 40164616 in words is "forty million, one hundred sixty-four thousand, six hundred sixteen".