40072304591 has 24 divisors (see below), whose sum is σ = 44580480672. Its totient is φ = 35989272000.

The previous prime is 40072304563. The next prime is 40072304617. The reversal of 40072304591 is 19540327004.

It is not a de Polignac number, because 40072304591 - 2⁶ = 40072304527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40072304491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5948261 + ... + 5954993.

It is an arithmetic number, because the mean of its divisors is an integer number (1857520028).

Almost surely, 2^40072304591 is an apocalyptic number.

40072304591 is a deficient number, since it is larger than the sum of its proper divisors (4508176081).

40072304591 is a wasteful number, since it uses less digits than its factorization.

40072304591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7343 (or 7332 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 35.

The spelling of 40072304591 in words is "forty billion, seventy-two million, three hundred four thousand, five hundred ninety-one".