256236240662 has 32 divisors (see below), whose sum is σ = 389686813920. Its totient is φ = 126355507200.

The previous prime is 256236240661. The next prime is 256236240671. The reversal of 256236240662 is 266042632652.

It is a super-3 number, since 3×256236240662³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256236240661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32426912 + ... + 32434812.

It is an arithmetic number, because the mean of its divisors is an integer number (12177712935).

Almost surely, 2^256236240662 is an apocalyptic number.

256236240662 is a deficient number, since it is larger than the sum of its proper divisors (133450573258).

256236240662 is a wasteful number, since it uses less digits than its factorization.

256236240662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8816.

The product of its (nonzero) digits is 1244160, while the sum is 44.

The spelling of 256236240662 in words is "two hundred fifty-six billion, two hundred thirty-six million, two hundred forty thousand, six hundred sixty-two".