10256740 has 48 divisors (see below), whose sum is σ = 23482368. Its totient is φ = 3740544.

The previous prime is 10256711. The next prime is 10256759. The reversal of 10256740 is 4765201.

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, 26589 + ... + 26971.

It is an arithmetic number, because the mean of its divisors is an integer number (489216).

Almost surely, 2^10256740 is an apocalyptic number.

10256740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10256740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11741184).

10256740 is an abundant number, since it is smaller than the sum of its proper divisors (13225628).

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

10256740 is a wasteful number, since it uses less digits than its factorization.

10256740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508 (or 506 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 10256740 is about 3202.6145568894. The cubic root of 10256740 is about 217.2716765476.

It can be divided in two parts, 102567 and 40, that multiplied together give a triangular number (4102680 = T₂₈₆₄).

The spelling of 10256740 in words is "ten million, two hundred fifty-six thousand, seven hundred forty".