42369660 has 72 divisors (see below), whose sum is σ = 129061296. Its totient is φ = 11251200.

The previous prime is 42369659. The next prime is 42369671. The reversal of 42369660 is 6696324.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 71887 + ... + 72473.

It is an arithmetic number, because the mean of its divisors is an integer number (1792518).

Almost surely, 2^42369660 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42369660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64530648).

42369660 is an abundant number, since it is smaller than the sum of its proper divisors (86691636).

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

42369660 is a wasteful number, since it uses less digits than its factorization.

42369660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1003 (or 998 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The square root of 42369660 is about 6509.1981072940. The cubic root of 42369660 is about 348.6194871414.

The spelling of 42369660 in words is "forty-two million, three hundred sixty-nine thousand, six hundred sixty".