42896490 has 128 divisors (see below), whose sum is σ = 133539840. Its totient is φ = 8563968.

The previous prime is 42896489. The next prime is 42896501. The reversal of 42896490 is 9469824.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 51457 + ... + 52283.

It is an arithmetic number, because the mean of its divisors is an integer number (1043280).

Almost surely, 2^42896490 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42896490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66769920).

42896490 is an abundant number, since it is smaller than the sum of its proper divisors (90643350).

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

42896490 is a wasteful number, since it uses less digits than its factorization.

42896490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 876.

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 42896490 is about 6549.5412053059. The cubic root of 42896490 is about 350.0584664233.

The spelling of 42896490 in words is "forty-two million, eight hundred ninety-six thousand, four hundred ninety".