3126404556 has 36 divisors (see below), whose sum is σ = 8621298504. Its totient is φ = 947395200.

The previous prime is 3126404531. The next prime is 3126404579. The reversal of 3126404556 is 6554046213.

3126404556 is a `hidden beast` number, since 3 + 1 + 2 + 640 + 4 + 5 + 5 + 6 = 666.

3126404556 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 3126404556.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3947085 + ... + 3947876.

It is an arithmetic number, because the mean of its divisors is an integer number (239480514).

Almost surely, 2^3126404556 is an apocalyptic number.

3126404556 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3126404556 is an abundant number, since it is smaller than the sum of its proper divisors (5494893948).

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

3126404556 is a wasteful number, since it uses less digits than its factorization.

3126404556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7894982 (or 7894977 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The square root of 3126404556 is about 55914.2607569840. The cubic root of 3126404556 is about 1462.2278734537.

The spelling of 3126404556 in words is "three billion, one hundred twenty-six million, four hundred four thousand, five hundred fifty-six".