256150402 has 8 divisors (see below), whose sum is σ = 400931136. Its totient is φ = 122506692.

The previous prime is 256150387. The next prime is 256150409. The reversal of 256150402 is 204051652.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×256150402² = 131226056889523208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (256150409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2784198 + ... + 2784289.

It is an arithmetic number, because the mean of its divisors is an integer number (50116392).

Almost surely, 2^256150402 is an apocalyptic number.

256150402 is a deficient number, since it is larger than the sum of its proper divisors (144780734).

256150402 is a wasteful number, since it uses less digits than its factorization.

256150402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5568512.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 256150402 is about 16004.6993723719. The cubic root of 256150402 is about 635.0847445127.

The spelling of 256150402 in words is "two hundred fifty-six million, one hundred fifty thousand, four hundred two".