40254646159 has 24 divisors (see below), whose sum is σ = 50497727280. Its totient is φ = 31806359424.

The previous prime is 40254646147. The next prime is 40254646177. The reversal of 40254646159 is 95164645204.

It is not a de Polignac number, because 40254646159 - 2⁵ = 40254646127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40254646139) 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, 427987 + ... + 513499.

It is an arithmetic number, because the mean of its divisors is an integer number (2104071970).

Almost surely, 2^40254646159 is an apocalyptic number.

40254646159 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

40254646159 is a deficient number, since it is larger than the sum of its proper divisors (10243081121).

40254646159 is a wasteful number, since it uses less digits than its factorization.

40254646159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86279 (or 86272 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 46.

The spelling of 40254646159 in words is "forty billion, two hundred fifty-four million, six hundred forty-six thousand, one hundred fifty-nine".