256941690098 has 16 divisors (see below), whose sum is σ = 389902947840. Its totient is φ = 126975225696.

The previous prime is 256941690097. The next prime is 256941690107. The reversal of 256941690098 is 890096149652.

It is a super-2 number, since 2×256941690098² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (256941690097) 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, 140615 + ... + 730517.

It is an arithmetic number, because the mean of its divisors is an integer number (24368934240).

Almost surely, 2^256941690098 is an apocalyptic number.

256941690098 is a deficient number, since it is larger than the sum of its proper divisors (132961257742).

256941690098 is a wasteful number, since it uses less digits than its factorization.

256941690098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 592441.

The product of its (nonzero) digits is 8398080, while the sum is 59.

The spelling of 256941690098 in words is "two hundred fifty-six billion, nine hundred forty-one million, six hundred ninety thousand, ninety-eight".