556140006 has 96 divisors (see below), whose sum is σ = 1340696448. Its totient is φ = 172160640.

The previous prime is 556139993. The next prime is 556140019. The reversal of 556140006 is 600041655.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (556139993) and next prime (556140019).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 685341 + ... + 686151.

It is an arithmetic number, because the mean of its divisors is an integer number (13965588).

Almost surely, 2^556140006 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 556140006, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (670348224).

556140006 is an abundant number, since it is smaller than the sum of its proper divisors (784556442).

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

556140006 is a wasteful number, since it uses less digits than its factorization.

556140006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 928 (or 916 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 556140006 is about 23582.6208467168. The cubic root of 556140006 is about 822.3588661614.

The spelling of 556140006 in words is "five hundred fifty-six million, one hundred forty thousand, six".