42392430 has 64 divisors (see below), whose sum is σ = 113762880. Its totient is φ = 11233152.

The previous prime is 42392429. The next prime is 42392447. The reversal of 42392430 is 3429324.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 42392394 and 42392403.

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, 52792 + ... + 53588.

It is an arithmetic number, because the mean of its divisors is an integer number (1777545).

Almost surely, 2^42392430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42392430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56881440).

42392430 is an abundant number, since it is smaller than the sum of its proper divisors (71370450).

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

42392430 is a wasteful number, since it uses less digits than its factorization.

42392430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010 (or 1004 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 42392430 is about 6510.9469357383. The cubic root of 42392430 is about 348.6819268222.

The spelling of 42392430 in words is "forty-two million, three hundred ninety-two thousand, four hundred thirty".