40194670512 has 20 divisors (see below), whose sum is σ = 103836232280. Its totient is φ = 13398223488.

The previous prime is 40194670501. The next prime is 40194670547. The reversal of 40194670512 is 21507649104.

It is a super-2 number, since 2×40194670512² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 418694437 + ... + 418694532.

It is an arithmetic number, because the mean of its divisors is an integer number (5191811614).

Almost surely, 2^40194670512 is an apocalyptic number.

It is an amenable number.

40194670512 is an abundant number, since it is smaller than the sum of its proper divisors (63641561768).

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

40194670512 is a wasteful number, since it uses less digits than its factorization.

40194670512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 837388980 (or 837388974 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

The spelling of 40194670512 in words is "forty billion, one hundred ninety-four million, six hundred seventy thousand, five hundred twelve".