40121677120256 has 36 divisors (see below), whose sum is σ = 80088205041600. Its totient is φ = 20060443763712.

The previous prime is 40121677120241. The next prime is 40121677120351. The reversal of 40121677120256 is 65202177612104.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11713490 + ... + 14746158.

Almost surely, 2^{40121677120256} is an apocalyptic number.

It is an amenable number.

40121677120256 is a deficient number, since it is larger than the sum of its proper divisors (39966527921344).

40121677120256 is an equidigital number, since it uses as much as digits as its factorization.

40121677120256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3084364 (or 3084350 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 44.

The spelling of 40121677120256 in words is "forty trillion, one hundred twenty-one billion, six hundred seventy-seven million, one hundred twenty thousand, two hundred fifty-six".