42671557908 has 144 divisors (see below), whose sum is σ = 129150787584. Its totient is φ = 11622346560.

The previous prime is 42671557891. The next prime is 42671557919. The reversal of 42671557908 is 80975517624.

42671557908 is a `hidden beast` number, since 4 + 2 + 67 + 1 + 5 + 579 + 0 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 482641 + ... + 564167.

Almost surely, 2^42671557908 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42671557908, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64575393792).

42671557908 is an abundant number, since it is smaller than the sum of its proper divisors (86479229676).

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

42671557908 is a wasteful number, since it uses less digits than its factorization.

42671557908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81642 (or 81637 counting only the distinct ones).

The product of its (nonzero) digits is 4233600, while the sum is 54.

The spelling of 42671557908 in words is "forty-two billion, six hundred seventy-one million, five hundred fifty-seven thousand, nine hundred eight".