42464988 has 18 divisors (see below), whose sum is σ = 107342144. Its totient is φ = 14154984.

The previous prime is 42464987. The next prime is 42465013. The reversal of 42464988 is 88946424.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42464987) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 589756 + ... + 589827.

Almost surely, 2^42464988 is an apocalyptic number.

It is an amenable number.

42464988 is an abundant number, since it is smaller than the sum of its proper divisors (64877156).

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

42464988 is a wasteful number, since it uses less digits than its factorization.

42464988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1179593 (or 1179588 counting only the distinct ones).

The product of its digits is 442368, while the sum is 45.

The square root of 42464988 is about 6516.5165541108. The cubic root of 42464988 is about 348.8807456745.

The spelling of 42464988 in words is "forty-two million, four hundred sixty-four thousand, nine hundred eighty-eight".