40492407740329 has 4 divisors (see below), whose sum is σ = 40492535253700. Its totient is φ = 40492280226960.

The previous prime is 40492407740311. The next prime is 40492407740357. The reversal of 40492407740329 is 92304770429404.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 29244949779600 + 11247457960729 = 5407860^2 + 3353723^2 .

It is a cyclic number.

It is not a de Polignac number, because 40492407740329 - 2⁷ = 40492407740201 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 40492407740329.

It is not an unprimeable number, because it can be changed into a prime (40492407740399) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63279162 + ... + 63915859.

It is an arithmetic number, because the mean of its divisors is an integer number (10123133813425).

Almost surely, 2^{40492407740329} is an apocalyptic number.

It is an amenable number.

40492407740329 is a deficient number, since it is larger than the sum of its proper divisors (127513371).

40492407740329 is a wasteful number, since it uses less digits than its factorization.

40492407740329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127513370.

The product of its (nonzero) digits is 12192768, while the sum is 55.

The spelling of 40492407740329 in words is "forty trillion, four hundred ninety-two billion, four hundred seven million, seven hundred forty thousand, three hundred twenty-nine".