40769564 has 12 divisors (see below), whose sum is σ = 77832888. Its totient is φ = 18531600.

The previous prime is 40769507. The next prime is 40769569. The reversal of 40769564 is 46596704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40769569) 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 in 3 ways as a sum of consecutive naturals, for example, 463247 + ... + 463334.

It is an arithmetic number, because the mean of its divisors is an integer number (6486074).

Almost surely, 2^40769564 is an apocalyptic number.

40769564 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

40769564 is a deficient number, since it is larger than the sum of its proper divisors (37063324).

40769564 is a wasteful number, since it uses less digits than its factorization.

40769564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926596 (or 926594 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 41.

The square root of 40769564 is about 6385.1048542683. The cubic root of 40769564 is about 344.1744990827.

The spelling of 40769564 in words is "forty million, seven hundred sixty-nine thousand, five hundred sixty-four".