40740665051 has 16 divisors (see below), whose sum is σ = 44409062400. Its totient is φ = 37227405600.

The previous prime is 40740665047. The next prime is 40740665057. The reversal of 40740665051 is 15056604704.

It is a cyclic number.

It is not a de Polignac number, because 40740665051 - 2² = 40740665047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40740664996 and 40740665014.

It is not an unprimeable number, because it can be changed into a prime (40740665057) 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, 508736 + ... + 583346.

It is an arithmetic number, because the mean of its divisors is an integer number (2775566400).

Almost surely, 2^40740665051 is an apocalyptic number.

40740665051 is a deficient number, since it is larger than the sum of its proper divisors (3668397349).

40740665051 is a wasteful number, since it uses less digits than its factorization.

40740665051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75650.

The product of its (nonzero) digits is 100800, while the sum is 38.

The spelling of 40740665051 in words is "forty billion, seven hundred forty million, six hundred sixty-five thousand, fifty-one".