42976280 has 32 divisors (see below), whose sum is σ = 96949440. Its totient is φ = 17145600.

The previous prime is 42976267. The next prime is 42976291. The reversal of 42976280 is 8267924.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17105 + ... + 19455.

It is an arithmetic number, because the mean of its divisors is an integer number (3029670).

Almost surely, 2^42976280 is an apocalyptic number.

42976280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42976280 is an abundant number, since it is smaller than the sum of its proper divisors (53973160).

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

42976280 is a wasteful number, since it uses less digits than its factorization.

42976280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2819 (or 2815 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 42976280 is about 6555.6296417659. The cubic root of 42976280 is about 350.2753751186.

The spelling of 42976280 in words is "forty-two million, nine hundred seventy-six thousand, two hundred eighty".