40694117010128 has 20 divisors (see below), whose sum is σ = 82994580744960. Its totient is φ = 19276160688864.

The previous prime is 40694117010103. The next prime is 40694117010137. The reversal of 40694117010128 is 82101071149604.

It is a super-2 number, since 2×40694117010128² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66931113200 + ... + 66931113807.

It is an arithmetic number, because the mean of its divisors is an integer number (4149729037248).

Almost surely, 2^{40694117010128} is an apocalyptic number.

It is an amenable number.

40694117010128 is an abundant number, since it is smaller than the sum of its proper divisors (42300463734832).

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

40694117010128 is a wasteful number, since it uses less digits than its factorization.

40694117010128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133862227034 (or 133862227028 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 44.

The spelling of 40694117010128 in words is "forty trillion, six hundred ninety-four billion, one hundred seventeen million, ten thousand, one hundred twenty-eight".