4126279540 has 12 divisors (see below), whose sum is σ = 8665187076. Its totient is φ = 1650511808.

The previous prime is 4126279537. The next prime is 4126279567. The reversal of 4126279540 is 459726214.

It can be written as a sum of positive squares in 2 ways, for example, as 1334002576 + 2792276964 = 36524^2 + 52842^2 .

It is a super-2 number, since 2×4126279540² = 34052365684445223200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4126279493 and 4126279502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103156969 + ... + 103157008.

It is an arithmetic number, because the mean of its divisors is an integer number (722098923).

Almost surely, 2^4126279540 is an apocalyptic number.

It is an amenable number.

4126279540 is an abundant number, since it is smaller than the sum of its proper divisors (4538907536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4126279540 is a wasteful number, since it uses less digits than its factorization.

4126279540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206313986 (or 206313984 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 4126279540 is about 64236.1233263652. The cubic root of 4126279540 is about 1603.9329728440.

The spelling of 4126279540 in words is "four billion, one hundred twenty-six million, two hundred seventy-nine thousand, five hundred forty".