40063764 has 48 divisors (see below), whose sum is σ = 106602048. Its totient is φ = 11601408.

The previous prime is 40063759. The next prime is 40063843. The reversal of 40063764 is 46736004.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 4902 + ... + 10205.

It is an arithmetic number, because the mean of its divisors is an integer number (2220876).

Almost surely, 2^40063764 is an apocalyptic number.

It is an amenable number.

40063764 is an abundant number, since it is smaller than the sum of its proper divisors (66538284).

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

40063764 is a wasteful number, since it uses less digits than its factorization.

40063764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15144 (or 15142 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 30.

The square root of 40063764 is about 6329.5942997952. The cubic root of 40063764 is about 342.1768177020.

Adding to 40063764 its reverse (46736004), we get a palindrome (86799768).

The spelling of 40063764 in words is "forty million, sixty-three thousand, seven hundred sixty-four".