42320111004 has 72 divisors (see below), whose sum is σ = 110963444592. Its totient is φ = 13589856000.

The previous prime is 42320110999. The next prime is 42320111011. The reversal of 42320111004 is 40011102324.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74247 + ... + 300254.

Almost surely, 2^42320111004 is an apocalyptic number.

It is an amenable number.

42320111004 is an abundant number, since it is smaller than the sum of its proper divisors (68643333588).

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

42320111004 is a wasteful number, since it uses less digits than its factorization.

42320111004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374627 (or 374622 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 42320111004 its reverse (40011102324), we get a palindrome (82331213328).

The spelling of 42320111004 in words is "forty-two billion, three hundred twenty million, one hundred eleven thousand, four".