42988992 has 112 divisors (see below), whose sum is σ = 120164352. Its totient is φ = 13547520.

The previous prime is 42988969. The next prime is 42988997. The reversal of 42988992 is 29988924.

Its product of digits (746496) is a multiple of the sum of its prime divisors (216).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42988997) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 338433 + ... + 338559.

It is an arithmetic number, because the mean of its divisors is an integer number (1072896).

Almost surely, 2^42988992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42988992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60082176).

42988992 is an abundant number, since it is smaller than the sum of its proper divisors (77175360).

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

42988992 is a wasteful number, since it uses less digits than its factorization.

42988992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226 (or 216 counting only the distinct ones).

The product of its digits is 746496, while the sum is 51.

The square root of 42988992 is about 6556.5991184455. The cubic root of 42988992 is about 350.3099078238.

The spelling of 42988992 in words is "forty-two million, nine hundred eighty-eight thousand, nine hundred ninety-two".