40502248455631 has 2 divisors, whose sum is σ = 40502248455632. Its totient is φ = 40502248455630.

The previous prime is 40502248455587. The next prime is 40502248455677. The reversal of 40502248455631 is 13655484220504.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40502248455631 - 2²¹ = 40502246358479 is a prime.

It is a super-2 number, since 2×40502248455631² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40502248485631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20251124227815 + 20251124227816.

It is an arithmetic number, because the mean of its divisors is an integer number (20251124227816).

Almost surely, 2^{40502248455631} is an apocalyptic number.

40502248455631 is a deficient number, since it is larger than the sum of its proper divisors (1).

40502248455631 is an equidigital number, since it uses as much as digits as its factorization.

40502248455631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608000, while the sum is 49.

The spelling of 40502248455631 in words is "forty trillion, five hundred two billion, two hundred forty-eight million, four hundred fifty-five thousand, six hundred thirty-one".