42930480 has 40 divisors (see below), whose sum is σ = 133085232. Its totient is φ = 11448064.

The previous prime is 42930479. The next prime is 42930509. The reversal of 42930480 is 8403924.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×42930480² = 3686052226060800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89199 + ... + 89678.

Almost surely, 2^42930480 is an apocalyptic number.

42930480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42930480 is an abundant number, since it is smaller than the sum of its proper divisors (90154752).

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

42930480 is a wasteful number, since it uses less digits than its factorization.

42930480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178893 (or 178887 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 42930480 is about 6552.1355297338. The cubic root of 42930480 is about 350.1509009168.

The spelling of 42930480 in words is "forty-two million, nine hundred thirty thousand, four hundred eighty".