42691046955672 has 64 divisors (see below), whose sum is σ = 113013440477280. Its totient is φ = 13392353728512.

The previous prime is 42691046955637. The next prime is 42691046955829. The reversal of 42691046955672 is 27655964019624.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2407998 + ... + 9548850.

Almost surely, 2^{42691046955672} is an apocalyptic number.

It is an amenable number.

42691046955672 is an abundant number, since it is smaller than the sum of its proper divisors (70322393521608).

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

42691046955672 is a wasteful number, since it uses less digits than its factorization.

42691046955672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7155532 (or 7155528 counting only the distinct ones).

The product of its (nonzero) digits is 195955200, while the sum is 66.

The spelling of 42691046955672 in words is "forty-two trillion, six hundred ninety-one billion, forty-six million, nine hundred fifty-five thousand, six hundred seventy-two".