40634994174 has 8 divisors (see below), whose sum is σ = 81269988360. Its totient is φ = 13544998056.

The previous prime is 40634994173. The next prime is 40634994187. The reversal of 40634994174 is 47149943604.

It is a sphenic number, since it is the product of 3 distinct primes.

40634994174 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40634994173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3386249509 + ... + 3386249520.

It is an arithmetic number, because the mean of its divisors is an integer number (10158748545).

Almost surely, 2^40634994174 is an apocalyptic number.

40634994174 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40634994174 is a wasteful number, since it uses less digits than its factorization.

40634994174 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6772499034.

The product of its (nonzero) digits is 2612736, while the sum is 51.

The spelling of 40634994174 in words is "forty billion, six hundred thirty-four million, nine hundred ninety-four thousand, one hundred seventy-four".