42312880 has 20 divisors (see below), whose sum is σ = 98377632. Its totient is φ = 16925120.

The previous prime is 42312877. The next prime is 42312883. The reversal of 42312880 is 8821324.

It is an interprime number because it is at equal distance from previous prime (42312877) and next prime (42312883).

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (42312883) 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, 264376 + ... + 264535.

Almost surely, 2^42312880 is an apocalyptic number.

42312880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42312880 is an abundant number, since it is smaller than the sum of its proper divisors (56064752).

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

42312880 is a wasteful number, since it uses less digits than its factorization.

42312880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528924 (or 528918 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 42312880 is about 6504.8351247361. The cubic root of 42312880 is about 348.4636880516.

The spelling of 42312880 in words is "forty-two million, three hundred twelve thousand, eight hundred eighty".