40255332152121 has 24 divisors (see below), whose sum is σ = 58500127445760. Its totient is φ = 26674163820000.

The previous prime is 40255332152099. The next prime is 40255332152201. The reversal of 40255332152121 is 12125123355204.

40255332152121 is a `hidden beast` number, since 4 + 0 + 2 + 55 + 332 + 152 + 121 = 666.

It is not a de Polignac number, because 40255332152121 - 2³⁸ = 39980454245177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40255332152221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17519170 + ... + 19683291.

It is an arithmetic number, because the mean of its divisors is an integer number (2437505310240).

Almost surely, 2^{40255332152121} is an apocalyptic number.

It is an amenable number.

40255332152121 is a deficient number, since it is larger than the sum of its proper divisors (18244795293639).

40255332152121 is a wasteful number, since it uses less digits than its factorization.

40255332152121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37203197 (or 37203194 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The spelling of 40255332152121 in words is "forty trillion, two hundred fifty-five billion, three hundred thirty-two million, one hundred fifty-two thousand, one hundred twenty-one".