42923332428 has 12 divisors (see below), whose sum is σ = 100154442360. Its totient is φ = 14307777472.

The previous prime is 42923332409. The next prime is 42923332429. The reversal of 42923332428 is 82423332924.

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

It is a self number, because there is not a number n which added to its sum of digits gives 42923332428.

It is not an unprimeable number, because it can be changed into a prime (42923332429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1788472173 + ... + 1788472196.

It is an arithmetic number, because the mean of its divisors is an integer number (8346203530).

Almost surely, 2^42923332428 is an apocalyptic number.

It is an amenable number.

42923332428 is an abundant number, since it is smaller than the sum of its proper divisors (57231109932).

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

42923332428 is a wasteful number, since it uses less digits than its factorization.

42923332428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3576944376 (or 3576944374 counting only the distinct ones).

The product of its digits is 497664, while the sum is 42.

The spelling of 42923332428 in words is "forty-two billion, nine hundred twenty-three million, three hundred thirty-two thousand, four hundred twenty-eight".