40137445805568 has 80 divisors (see below), whose sum is σ = 107270290626576. Its totient is φ = 13336403558400.

The previous prime is 40137445805551. The next prime is 40137445805591. The reversal of 40137445805568 is 86550854473104.

It is a super-2 number, since 2×40137445805568² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41262283 + ... + 42223818.

Almost surely, 2^{40137445805568} is an apocalyptic number.

40137445805568 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

40137445805568 is an abundant number, since it is smaller than the sum of its proper divisors (67132844821008).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40137445805568 is an equidigital number, since it uses as much as digits as its factorization.

40137445805568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83486435 (or 83486419 counting only the distinct ones).

The product of its (nonzero) digits is 64512000, while the sum is 60.

The spelling of 40137445805568 in words is "forty trillion, one hundred thirty-seven billion, four hundred forty-five million, eight hundred five thousand, five hundred sixty-eight".