40525789479479 has 8 divisors (see below), whose sum is σ = 41470076770320. Its totient is φ = 39581585237376.

The previous prime is 40525789479451. The next prime is 40525789479481. The reversal of 40525789479479 is 97497498752504.

It is a happy number.

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 40525789479479 - 2³⁶ = 40457070002743 is a prime.

It is a super-2 number, since 2×40525789479479² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40525789479419) 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, 19774322 + ... + 21727295.

It is an arithmetic number, because the mean of its divisors is an integer number (5183759596290).

Almost surely, 2^{40525789479479} is an apocalyptic number.

40525789479479 is a deficient number, since it is larger than the sum of its proper divisors (944287290841).

40525789479479 is a wasteful number, since it uses less digits than its factorization.

40525789479479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41524369.

The product of its (nonzero) digits is 6401203200, while the sum is 80.

The spelling of 40525789479479 in words is "forty trillion, five hundred twenty-five billion, seven hundred eighty-nine million, four hundred seventy-nine thousand, four hundred seventy-nine".