40020521224 has 32 divisors (see below), whose sum is σ = 75195912600. Its totient is φ = 19968325120.

The previous prime is 40020521213. The next prime is 40020521243. The reversal of 40020521224 is 42212502004.

It can be written as a sum of positive squares in 4 ways, for example, as 16749018724 + 23271502500 = 129418^2 + 152550^2 .

It is a junction number, because it is equal to n+sod(n) for n = 40020521195 and 40020521204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14348022 + ... + 14350810.

Almost surely, 2^40020521224 is an apocalyptic number.

It is an amenable number.

40020521224 is a deficient number, since it is larger than the sum of its proper divisors (35175391376).

40020521224 is a wasteful number, since it uses less digits than its factorization.

40020521224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5913 (or 5909 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The spelling of 40020521224 in words is "forty billion, twenty million, five hundred twenty-one thousand, two hundred twenty-four".