40246570225637 has 2 divisors, whose sum is σ = 40246570225638. Its totient is φ = 40246570225636.

The previous prime is 40246570225523. The next prime is 40246570225643. The reversal of 40246570225637 is 73652207564204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30516001208641 + 9730569016996 = 5524129^2 + 3119386^2 .

It is a cyclic number.

It is not a de Polignac number, because 40246570225637 - 2¹⁸ = 40246569963493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40246570425637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20123285112818 + 20123285112819.

It is an arithmetic number, because the mean of its divisors is an integer number (20123285112819).

Almost surely, 2^{40246570225637} is an apocalyptic number.

It is an amenable number.

40246570225637 is a deficient number, since it is larger than the sum of its proper divisors (1).

40246570225637 is an equidigital number, since it uses as much as digits as its factorization.

40246570225637 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16934400, while the sum is 53.

The spelling of 40246570225637 in words is "forty trillion, two hundred forty-six billion, five hundred seventy million, two hundred twenty-five thousand, six hundred thirty-seven".