10401256 has 32 divisors (see below), whose sum is σ = 20412000. Its totient is φ = 4962496.

The previous prime is 10401253. The next prime is 10401271. The reversal of 10401256 is 65210401.

It is a super-2 number, since 2×10401256² = 216372252755072, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10401253) 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, 24615 + ... + 25033.

It is an arithmetic number, because the mean of its divisors is an integer number (637875).

Almost surely, 2^10401256 is an apocalyptic number.

It is an amenable number.

10401256 is a deficient number, since it is larger than the sum of its proper divisors (10010744).

10401256 is a wasteful number, since it uses less digits than its factorization.

10401256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561 (or 557 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 10401256 is about 3225.0978279736. The cubic root of 10401256 is about 218.2873633704.

Adding to 10401256 its reverse (65210401), we get a palindrome (75611657).

The spelling of 10401256 in words is "ten million, four hundred one thousand, two hundred fifty-six".