42453980 has 24 divisors (see below), whose sum is σ = 93846480. Its totient is φ = 16087680.

The previous prime is 42453977. The next prime is 42454001. The reversal of 42453980 is 8935424.

It is a self number, because there is not a number n which added to its sum of digits gives 42453980.

It is a congruent number.

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, 55481 + ... + 56240.

It is an arithmetic number, because the mean of its divisors is an integer number (3910270).

Almost surely, 2^42453980 is an apocalyptic number.

It is an amenable number.

42453980 is an abundant number, since it is smaller than the sum of its proper divisors (51392500).

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

42453980 is a wasteful number, since it uses less digits than its factorization.

42453980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111749 (or 111747 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 42453980 is about 6515.6718763302. The cubic root of 42453980 is about 348.8505968285.

The spelling of 42453980 in words is "forty-two million, four hundred fifty-three thousand, nine hundred eighty".