40579448019 has 24 divisors (see below), whose sum is σ = 61522576080. Its totient is φ = 23745543360.

The previous prime is 40579448003. The next prime is 40579448027. The reversal of 40579448019 is 91084497504.

It is not a de Polignac number, because 40579448019 - 2⁴ = 40579448003 is a prime.

It is a super-2 number, since 2×40579448019² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40579448519) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1916872 + ... + 1937925.

It is an arithmetic number, because the mean of its divisors is an integer number (2563440670).

Almost surely, 2^40579448019 is an apocalyptic number.

40579448019 is a deficient number, since it is larger than the sum of its proper divisors (20943128061).

40579448019 is a wasteful number, since it uses less digits than its factorization.

40579448019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3854851 (or 3854840 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 51.

The spelling of 40579448019 in words is "forty billion, five hundred seventy-nine million, four hundred forty-eight thousand, nineteen".