10256442 has 32 divisors (see below), whose sum is σ = 23846400. Its totient is φ = 2880048.

The previous prime is 10256429. The next prime is 10256453. The reversal of 10256442 is 24465201.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 409 + ... + 4547.

It is an arithmetic number, because the mean of its divisors is an integer number (745200).

Almost surely, 2^10256442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10256442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11923200).

10256442 is an abundant number, since it is smaller than the sum of its proper divisors (13589958).

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

10256442 is a wasteful number, since it uses less digits than its factorization.

10256442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4210.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 10256442 is about 3202.5680320643. The cubic root of 10256442 is about 217.2695723186.

The spelling of 10256442 in words is "ten million, two hundred fifty-six thousand, four hundred forty-two".