2579420402 has 16 divisors (see below), whose sum is σ = 4167602712. Its totient is φ = 1190259840.

The previous prime is 2579420383. The next prime is 2579420407. The reversal of 2579420402 is 2040249752.

It can be written as a sum of positive squares in 4 ways, for example, as 1699170841 + 880249561 = 41221^2 + 29669^2 .

It is a super-2 number, since 2×2579420402² = 13306819220507683208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2579420407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216152 + ... + 227772.

Almost surely, 2^2579420402 is an apocalyptic number.

2579420402 is a deficient number, since it is larger than the sum of its proper divisors (1588182310).

2579420402 is a wasteful number, since it uses less digits than its factorization.

2579420402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20173.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 2579420402 is about 50787.9946640936. The cubic root of 2579420402 is about 1371.4312571696.

The spelling of 2579420402 in words is "two billion, five hundred seventy-nine million, four hundred twenty thousand, four hundred two".