42519320 has 32 divisors (see below), whose sum is σ = 96379200. Its totient is φ = 16881408.

The previous prime is 42519319. The next prime is 42519343. The reversal of 42519320 is 2391524.

It is a self number, because there is not a number n which added to its sum of digits gives 42519320.

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, 1601 + ... + 9359.

It is an arithmetic number, because the mean of its divisors is an integer number (3011850).

Almost surely, 2^42519320 is an apocalyptic number.

42519320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42519320 is an abundant number, since it is smaller than the sum of its proper divisors (53859880).

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

42519320 is a wasteful number, since it uses less digits than its factorization.

42519320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7907 (or 7903 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 42519320 is about 6520.6840131998. The cubic root of 42519320 is about 349.0294745538.

The spelling of 42519320 in words is "forty-two million, five hundred nineteen thousand, three hundred twenty".