42130502478 has 24 divisors (see below), whose sum is σ = 91317844800. Its totient is φ = 14038102464.

The previous prime is 42130502413. The next prime is 42130502509. The reversal of 42130502478 is 87420503124.

It is a happy number.

42130502478 is a `hidden beast` number, since 4 + 2 + 130 + 50 + 2 + 478 = 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, 401598 + ... + 495521.

It is an arithmetic number, because the mean of its divisors is an integer number (3804910200).

Almost surely, 2^42130502478 is an apocalyptic number.

42130502478 is an abundant number, since it is smaller than the sum of its proper divisors (49187342322).

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

42130502478 is a wasteful number, since it uses less digits than its factorization.

42130502478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 899736 (or 899733 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The spelling of 42130502478 in words is "forty-two billion, one hundred thirty million, five hundred two thousand, four hundred seventy-eight".