40377472402761 has 64 divisors (see below), whose sum is σ = 64558584518400. Its totient is φ = 24794218672128.

The previous prime is 40377472402723. The next prime is 40377472402789. The reversal of 40377472402761 is 16720427477304.

40377472402761 is a `hidden beast` number, since 4 + 0 + 3 + 77 + 472 + 40 + 2 + 7 + 61 = 666.

It is not a de Polignac number, because 40377472402761 - 2¹⁰ = 40377472401737 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40377472402698 and 40377472402707.

It is not an unprimeable number, because it can be changed into a prime (40377472402061) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 497973355 + ... + 498054431.

It is an arithmetic number, because the mean of its divisors is an integer number (1008727883100).

Almost surely, 2^{40377472402761} is an apocalyptic number.

It is an amenable number.

40377472402761 is a deficient number, since it is larger than the sum of its proper divisors (24181112115639).

40377472402761 is a wasteful number, since it uses less digits than its factorization.

40377472402761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84135 (or 84129 counting only the distinct ones).

The product of its (nonzero) digits is 11063808, while the sum is 54.

The spelling of 40377472402761 in words is "forty trillion, three hundred seventy-seven billion, four hundred seventy-two million, four hundred two thousand, seven hundred sixty-one".