40245243566751 has 12 divisors (see below), whose sum is σ = 58453189860520. Its totient is φ = 26681929435440.

The previous prime is 40245243566729. The next prime is 40245243566753. The reversal of 40245243566751 is 15766534254204.

It is a happy number.

40245243566751 is a `hidden beast` number, since 4 + 0 + 2 + 4 + 5 + 2 + 4 + 3 + 566 + 75 + 1 = 666.

It is not a de Polignac number, because 40245243566751 - 2⁹ = 40245243566239 is a prime.

It is a super-2 number, since 2×40245243566751² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40245243566753) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12352743481 + ... + 12352746738.

Almost surely, 2^{40245243566751} is an apocalyptic number.

40245243566751 is a deficient number, since it is larger than the sum of its proper divisors (18207946293769).

40245243566751 is a wasteful number, since it uses less digits than its factorization.

40245243566751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24705490406 (or 24705490403 counting only the distinct ones).

The product of its (nonzero) digits is 24192000, while the sum is 54.

The spelling of 40245243566751 in words is "forty trillion, two hundred forty-five billion, two hundred forty-three million, five hundred sixty-six thousand, seven hundred fifty-one".