42292320 has 192 divisors, whose sum is σ = 156473856. Its totient is φ = 9400320.

The previous prime is 42292319. The next prime is 42292333. The reversal of 42292320 is 2329224.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 137607 + ... + 137913.

It is an arithmetic number, because the mean of its divisors is an integer number (814968).

Almost surely, 2^42292320 is an apocalyptic number.

42292320 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 42292320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78236928).

42292320 is an abundant number, since it is smaller than the sum of its proper divisors (114181536).

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

42292320 is a wasteful number, since it uses less digits than its factorization.

42292320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373 (or 365 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 42292320 is about 6503.2545698289. The cubic root of 42292320 is about 348.4072389346.

The spelling of 42292320 in words is "forty-two million, two hundred ninety-two thousand, three hundred twenty".