42807438444 has 48 divisors (see below), whose sum is σ = 105669536000. Its totient is φ = 13450193856.

The previous prime is 42807438433. The next prime is 42807438451. The reversal of 42807438444 is 44483470824.

It is a super-2 number, since 2×42807438444² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42807438393 and 42807438402.

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, 426367 + ... + 517110.

Almost surely, 2^42807438444 is an apocalyptic number.

It is an amenable number.

42807438444 is an abundant number, since it is smaller than the sum of its proper divisors (62862097556).

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

42807438444 is a wasteful number, since it uses less digits than its factorization.

42807438444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 943702 (or 943700 counting only the distinct ones).

The product of its (nonzero) digits is 2752512, while the sum is 48.

The spelling of 42807438444 in words is "forty-two billion, eight hundred seven million, four hundred thirty-eight thousand, four hundred forty-four".