40025494079 has 16 divisors (see below), whose sum is σ = 44125240320. Its totient is φ = 36178554720.

The previous prime is 40025494037. The next prime is 40025494081. The reversal of 40025494079 is 97049452004.

40025494079 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-40025494079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40025494679) 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, 607037 + ... + 669734.

It is an arithmetic number, because the mean of its divisors is an integer number (2757827520).

Almost surely, 2^40025494079 is an apocalyptic number.

40025494079 is a deficient number, since it is larger than the sum of its proper divisors (4099746241).

40025494079 is a wasteful number, since it uses less digits than its factorization.

40025494079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1276870.

The product of its (nonzero) digits is 362880, while the sum is 44.

The spelling of 40025494079 in words is "forty billion, twenty-five million, four hundred ninety-four thousand, seventy-nine".