40626053437 has 2 divisors, whose sum is σ = 40626053438. Its totient is φ = 40626053436.

The previous prime is 40626053417. The next prime is 40626053557. The reversal of 40626053437 is 73435062604.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28336335556 + 12289717881 = 168334^2 + 110859^2 .

It is a cyclic number.

It is not a de Polignac number, because 40626053437 - 2¹⁹ = 40625529149 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40626053437.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40626053407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20313026718 + 20313026719.

It is an arithmetic number, because the mean of its divisors is an integer number (20313026719).

Almost surely, 2^40626053437 is an apocalyptic number.

It is an amenable number.

40626053437 is a deficient number, since it is larger than the sum of its proper divisors (1).

40626053437 is an equidigital number, since it uses as much as digits as its factorization.

40626053437 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 362880, while the sum is 40.

The spelling of 40626053437 in words is "forty billion, six hundred twenty-six million, fifty-three thousand, four hundred thirty-seven".