40026740437573 has 2 divisors, whose sum is σ = 40026740437574. Its totient is φ = 40026740437572.

The previous prime is 40026740437559. The next prime is 40026740437589. The reversal of 40026740437573 is 37573404762004.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37560939175204 + 2465801262369 = 6128698^2 + 1570287^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40026740437573 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40026740437573.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40026740432573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20013370218786 + 20013370218787.

It is an arithmetic number, because the mean of its divisors is an integer number (20013370218787).

Almost surely, 2^{40026740437573} is an apocalyptic number.

It is an amenable number.

40026740437573 is a deficient number, since it is larger than the sum of its proper divisors (1).

40026740437573 is an equidigital number, since it uses as much as digits as its factorization.

40026740437573 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11854080, while the sum is 52.

The spelling of 40026740437573 in words is "forty trillion, twenty-six billion, seven hundred forty million, four hundred thirty-seven thousand, five hundred seventy-three".