42186969129984 has 176 divisors, whose sum is σ = 131241227778048. Its totient is φ = 11796963729408.

The previous prime is 42186969129971. The next prime is 42186969129997. The reversal of 42186969129984 is 48992196968124.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (42186969129971) and next prime (42186969129997).

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, 19859734 + ... + 21881109.

Almost surely, 2^{42186969129984} is an apocalyptic number.

It is an amenable number.

42186969129984 is an abundant number, since it is smaller than the sum of its proper divisors (89054258648064).

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

42186969129984 is a wasteful number, since it uses less digits than its factorization.

42186969129984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41740920 (or 41740902 counting only the distinct ones).

The product of its digits is 967458816, while the sum is 78.

The spelling of 42186969129984 in words is "forty-two trillion, one hundred eighty-six billion, nine hundred sixty-nine million, one hundred twenty-nine thousand, nine hundred eighty-four".