42641535444 has 12 divisors (see below), whose sum is σ = 99496916064. Its totient is φ = 14213845144.

The previous prime is 42641535383. The next prime is 42641535467. The reversal of 42641535444 is 44453514624.

42641535444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 42641535396 and 42641535405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1776730632 + ... + 1776730655.

It is an arithmetic number, because the mean of its divisors is an integer number (8291409672).

Almost surely, 2^42641535444 is an apocalyptic number.

It is an amenable number.

42641535444 is an abundant number, since it is smaller than the sum of its proper divisors (56855380620).

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

42641535444 is a wasteful number, since it uses less digits than its factorization.

42641535444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3553461294 (or 3553461292 counting only the distinct ones).

The product of its digits is 921600, while the sum is 42.

The spelling of 42641535444 in words is "forty-two billion, six hundred forty-one million, five hundred thirty-five thousand, four hundred forty-four".