40244791679 has 8 divisors (see below), whose sum is σ = 42770546640. Its totient is φ = 37736638336.

The previous prime is 40244791669. The next prime is 40244791693. The reversal of 40244791679 is 97619744204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40244791679 - 2²⁸ = 39976356223 is a prime.

It is a super-2 number, since 2×40244791679² (a number of 22 digits) contains 22 as substring.

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 40244791679.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40244791669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4395689 + ... + 4404834.

It is an arithmetic number, because the mean of its divisors is an integer number (5346318330).

Almost surely, 2^40244791679 is an apocalyptic number.

40244791679 is a deficient number, since it is larger than the sum of its proper divisors (2525754961).

40244791679 is a wasteful number, since it uses less digits than its factorization.

40244791679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8800809.

The product of its (nonzero) digits is 3048192, while the sum is 53.

The spelling of 40244791679 in words is "forty billion, two hundred forty-four million, seven hundred ninety-one thousand, six hundred seventy-nine".