42013566650 has 192 divisors, whose sum is σ = 92469081600. Its totient is φ = 14039712000.

The previous prime is 42013566613. The next prime is 42013566671. The reversal of 42013566650 is 5666531024.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 51173240 + ... + 51174060.

It is an arithmetic number, because the mean of its divisors is an integer number (481609800).

Almost surely, 2^42013566650 is an apocalyptic number.

42013566650 is an abundant number, since it is smaller than the sum of its proper divisors (50455514950).

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

42013566650 is a wasteful number, since it uses less digits than its factorization.

42013566650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005 (or 1000 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 38.

The spelling of 42013566650 in words is "forty-two billion, thirteen million, five hundred sixty-six thousand, six hundred fifty".