40090555019057 has 2 divisors, whose sum is σ = 40090555019058. Its totient is φ = 40090555019056.

The previous prime is 40090555018979. The next prime is 40090555019111. The reversal of 40090555019057 is 75091055509004.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37627133737216 + 2463421281841 = 6134096^2 + 1569529^2 .

It is a cyclic number.

It is not a de Polignac number, because 40090555019057 - 2¹⁶ = 40090554953521 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40090555018996 and 40090555019014.

It is not a weakly prime, because it can be changed into another prime (40090555319057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20045277509528 + 20045277509529.

It is an arithmetic number, because the mean of its divisors is an integer number (20045277509529).

Almost surely, 2^{40090555019057} is an apocalyptic number.

It is an amenable number.

40090555019057 is a deficient number, since it is larger than the sum of its proper divisors (1).

40090555019057 is an equidigital number, since it uses as much as digits as its factorization.

40090555019057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1417500, while the sum is 50.

The spelling of 40090555019057 in words is "forty trillion, ninety billion, five hundred fifty-five million, nineteen thousand, fifty-seven".