42402030444 has 48 divisors (see below), whose sum is σ = 110141530240. Its totient is φ = 14106966480.

The previous prime is 42402030389. The next prime is 42402030457. The reversal of 42402030444 is 44403020424.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 318862 + ... + 431829.

Almost surely, 2^42402030444 is an apocalyptic number.

It is an amenable number.

42402030444 is an abundant number, since it is smaller than the sum of its proper divisors (67739499796).

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

42402030444 is a wasteful number, since it uses less digits than its factorization.

42402030444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751227 (or 751219 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 27.

Adding to 42402030444 its reverse (44403020424), we get a palindrome (86805050868).

The spelling of 42402030444 in words is "forty-two billion, four hundred two million, thirty thousand, four hundred forty-four".