40464004597 has 2 divisors, whose sum is σ = 40464004598. Its totient is φ = 40464004596.

The previous prime is 40464004583. The next prime is 40464004631. The reversal of 40464004597 is 79540046404.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32853012516 + 7610992081 = 181254^2 + 87241^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40464004597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40464004517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20232002298 + 20232002299.

It is an arithmetic number, because the mean of its divisors is an integer number (20232002299).

Almost surely, 2^40464004597 is an apocalyptic number.

It is an amenable number.

40464004597 is a deficient number, since it is larger than the sum of its proper divisors (1).

40464004597 is an equidigital number, since it uses as much as digits as its factorization.

40464004597 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 483840, while the sum is 43.

The spelling of 40464004597 in words is "forty billion, four hundred sixty-four million, four thousand, five hundred ninety-seven".