42087967250 has 64 divisors (see below), whose sum is σ = 90438266880. Its totient is φ = 14367009600.

The previous prime is 42087967183. The next prime is 42087967343. The reversal of 42087967250 is 5276978024.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 348239 + ... + 453261.

It is an arithmetic number, because the mean of its divisors is an integer number (1413097920).

Almost surely, 2^42087967250 is an apocalyptic number.

42087967250 is an abundant number, since it is smaller than the sum of its proper divisors (48350299630).

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

42087967250 is a wasteful number, since it uses less digits than its factorization.

42087967250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105276 (or 105266 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 50.

The spelling of 42087967250 in words is "forty-two billion, eighty-seven million, nine hundred sixty-seven thousand, two hundred fifty".