406010256 has 40 divisors (see below), whose sum is σ = 1051182720. Its totient is φ = 135037056.

The previous prime is 406010251. The next prime is 406010261. The reversal of 406010256 is 652010604.

It is an interprime number because it is at equal distance from previous prime (406010251) and next prime (406010261).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (406010251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13090 + ... + 31358.

It is an arithmetic number, because the mean of its divisors is an integer number (26279568).

Almost surely, 2^406010256 is an apocalyptic number.

It is an amenable number.

406010256 is an abundant number, since it is smaller than the sum of its proper divisors (645172464).

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

406010256 is a wasteful number, since it uses less digits than its factorization.

406010256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18743 (or 18737 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 406010256 is about 20149.6961763695. The cubic root of 406010256 is about 740.4782980420.

The spelling of 406010256 in words is "four hundred six million, ten thousand, two hundred fifty-six".