40021304132 has 24 divisors (see below), whose sum is σ = 73828722240. Its totient is φ = 18930391200.

The previous prime is 40021304111. The next prime is 40021304149. The reversal of 40021304132 is 23140312004.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 322328 + ... + 428879.

It is an arithmetic number, because the mean of its divisors is an integer number (3076196760).

Almost surely, 2^40021304132 is an apocalyptic number.

It is an amenable number.

40021304132 is a deficient number, since it is larger than the sum of its proper divisors (33807418108).

40021304132 is a wasteful number, since it uses less digits than its factorization.

40021304132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 751931 (or 751929 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 40021304132 its reverse (23140312004), we get a palindrome (63161616136).

The spelling of 40021304132 in words is "forty billion, twenty-one million, three hundred four thousand, one hundred thirty-two".