42698880 has 256 divisors, whose sum is σ = 173318400. Its totient is φ = 9732096.

The previous prime is 42698869. The next prime is 42698893. The reversal of 42698880 is 8889624.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 120784 + ... + 121136.

It is an arithmetic number, because the mean of its divisors is an integer number (677025).

Almost surely, 2^42698880 is an apocalyptic number.

42698880 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 42698880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86659200).

42698880 is an abundant number, since it is smaller than the sum of its proper divisors (130619520).

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

42698880 is a wasteful number, since it uses less digits than its factorization.

42698880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388 (or 370 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The square root of 42698880 is about 6534.4380018484. The cubic root of 42698880 is about 349.5201042056.

The spelling of 42698880 in words is "forty-two million, six hundred ninety-eight thousand, eight hundred eighty".