40402265761 has 16 divisors (see below), whose sum is σ = 47494319040. Its totient is φ = 33883485120.

The previous prime is 40402265749. The next prime is 40402265767. The reversal of 40402265761 is 16756220404.

It is a cyclic number.

It is not a de Polignac number, because 40402265761 - 2¹⁵ = 40402232993 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40402265761.

It is not an unprimeable number, because it can be changed into a prime (40402265767) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154026 + ... + 323308.

It is an arithmetic number, because the mean of its divisors is an integer number (2968394940).

Almost surely, 2^40402265761 is an apocalyptic number.

It is an amenable number.

40402265761 is a deficient number, since it is larger than the sum of its proper divisors (7092053279).

40402265761 is a wasteful number, since it uses less digits than its factorization.

40402265761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170976.

The product of its (nonzero) digits is 80640, while the sum is 37.

The spelling of 40402265761 in words is "forty billion, four hundred two million, two hundred sixty-five thousand, seven hundred sixty-one".