42417690181902 has 24 divisors (see below), whose sum is σ = 105034280450736. Its totient is φ = 12119340051936.

The previous prime is 42417690181879. The next prime is 42417690181921. The reversal of 42417690181902 is 20918109671424.

42417690181902 is a `hidden beast` number, since 4 + 2 + 417 + 69 + 0 + 1 + 81 + 90 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 168324167263 + ... + 168324167514.

It is an arithmetic number, because the mean of its divisors is an integer number (4376428352114).

Almost surely, 2^{42417690181902} is an apocalyptic number.

42417690181902 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

42417690181902 is an abundant number, since it is smaller than the sum of its proper divisors (62616590268834).

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

42417690181902 is a wasteful number, since it uses less digits than its factorization.

42417690181902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336648334792 (or 336648334789 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 54.

The spelling of 42417690181902 in words is "forty-two trillion, four hundred seventeen billion, six hundred ninety million, one hundred eighty-one thousand, nine hundred two".