40779274792 has 24 divisors (see below), whose sum is σ = 76987464750. Its totient is φ = 20249331584.

The previous prime is 40779274763. The next prime is 40779274813. The reversal of 40779274792 is 29747297704.

It can be written as a sum of positive squares in 3 ways, for example, as 20772303876 + 20006970916 = 144126^2 + 141446^2 .

It is a super-2 number, since 2×40779274792² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6969084 + ... + 6974932.

Almost surely, 2^40779274792 is an apocalyptic number.

It is an amenable number.

40779274792 is a deficient number, since it is larger than the sum of its proper divisors (36208189958).

40779274792 is an frugal number, since it uses more digits than its factorization.

40779274792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11853 (or 6000 counting only the distinct ones).

The product of its (nonzero) digits is 12446784, while the sum is 58.

The spelling of 40779274792 in words is "forty billion, seven hundred seventy-nine million, two hundred seventy-four thousand, seven hundred ninety-two".