42366450 has 96 divisors (see below), whose sum is σ = 121313664. Its totient is φ = 9584640.

The previous prime is 42366449. The next prime is 42366461. The reversal of 42366450 is 5466324.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 164722 + ... + 164978.

It is an arithmetic number, because the mean of its divisors is an integer number (1263684).

Almost surely, 2^42366450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42366450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60656832).

42366450 is an abundant number, since it is smaller than the sum of its proper divisors (78947214).

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

42366450 is a wasteful number, since it uses less digits than its factorization.

42366450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436 (or 431 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 42366450 is about 6508.9515284722. The cubic root of 42366450 is about 348.6106829104.

The spelling of 42366450 in words is "forty-two million, three hundred sixty-six thousand, four hundred fifty".