40485702637 has 2 divisors, whose sum is σ = 40485702638. Its totient is φ = 40485702636.

The previous prime is 40485702613. The next prime is 40485702661. The reversal of 40485702637 is 73620758404.

It is a balanced prime because it is at equal distance from previous prime (40485702613) and next prime (40485702661).

It can be written as a sum of positive squares in only one way, i.e., 31588308361 + 8897394276 = 177731^2 + 94326^2 .

It is a cyclic number.

It is not a de Polignac number, because 40485702637 - 2²³ = 40477314029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40485702337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20242851318 + 20242851319.

It is an arithmetic number, because the mean of its divisors is an integer number (20242851319).

Almost surely, 2^40485702637 is an apocalyptic number.

It is an amenable number.

40485702637 is a deficient number, since it is larger than the sum of its proper divisors (1).

40485702637 is an equidigital number, since it uses as much as digits as its factorization.

40485702637 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1128960, while the sum is 46.

The spelling of 40485702637 in words is "forty billion, four hundred eighty-five million, seven hundred two thousand, six hundred thirty-seven".