42402647044 has 24 divisors (see below), whose sum is σ = 76817888000. Its totient is φ = 20458599840.

The previous prime is 42402647039. The next prime is 42402647071. The reversal of 42402647044 is 44074620424.

It is a junction number, because it is equal to n+sod(n) for n = 42402646994 and 42402647012.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 446634 + ... + 533185.

Almost surely, 2^42402647044 is an apocalyptic number.

It is an amenable number.

42402647044 is a deficient number, since it is larger than the sum of its proper divisors (34415240956).

42402647044 is a wasteful number, since it uses less digits than its factorization.

42402647044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 980203 (or 980201 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 37.

The spelling of 42402647044 in words is "forty-two billion, four hundred two million, six hundred forty-seven thousand, forty-four".