42956280 has 96 divisors (see below), whose sum is σ = 147841200. Its totient is φ = 10779648.

The previous prime is 42956273. The next prime is 42956311. The reversal of 42956280 is 8265924.

It is a happy number.

42956280 is a `hidden beast` number, since 4 + 29 + 5 + 628 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2611 + ... + 9629.

Almost surely, 2^42956280 is an apocalyptic number.

42956280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42956280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73920600).

42956280 is an abundant number, since it is smaller than the sum of its proper divisors (104884920).

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

42956280 is a wasteful number, since it uses less digits than its factorization.

42956280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7053 (or 7046 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 42956280 is about 6554.1040577641. The cubic root of 42956280 is about 350.2210304545.

The spelling of 42956280 in words is "forty-two million, nine hundred fifty-six thousand, two hundred eighty".