40024601321 has 32 divisors (see below), whose sum is σ = 43600521888. Its totient is φ = 36600279040.

The previous prime is 40024601261. The next prime is 40024601347. The reversal of 40024601321 is 12310642004.

It can be written as a sum of positive squares in 16 ways, for example, as 1985950096 + 38038651225 = 44564^2 + 195035^2 .

It is a cyclic number.

It is not a de Polignac number, because 40024601321 - 2¹⁴ = 40024584937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40024601521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 71857175 + ... + 71857731.

It is an arithmetic number, because the mean of its divisors is an integer number (1362516309).

Almost surely, 2^40024601321 is an apocalyptic number.

It is an amenable number.

40024601321 is a deficient number, since it is larger than the sum of its proper divisors (3575920567).

40024601321 is a wasteful number, since it uses less digits than its factorization.

40024601321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1261.

The product of its (nonzero) digits is 1152, while the sum is 23.

The spelling of 40024601321 in words is "forty billion, twenty-four million, six hundred one thousand, three hundred twenty-one".