40994021134 has 16 divisors (see below), whose sum is σ = 68717252016. Its totient is φ = 18179166400.

The previous prime is 40994021099. The next prime is 40994021161. The reversal of 40994021134 is 43112049904.

It is a junction number, because it is equal to n+sod(n) for n = 40994021093 and 40994021102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22723057 + ... + 22724860.

It is an arithmetic number, because the mean of its divisors is an integer number (4294828251).

Almost surely, 2^40994021134 is an apocalyptic number.

40994021134 is a deficient number, since it is larger than the sum of its proper divisors (27723230882).

40994021134 is a wasteful number, since it uses less digits than its factorization.

40994021134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45447971.

The product of its (nonzero) digits is 31104, while the sum is 37.

The spelling of 40994021134 in words is "forty billion, nine hundred ninety-four million, twenty-one thousand, one hundred thirty-four".