42604660 has 48 divisors (see below), whose sum is σ = 102662784. Its totient is φ = 14548608.

The previous prime is 42604637. The next prime is 42604673. The reversal of 42604660 is 6640624.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48142 + ... + 49018.

It is an arithmetic number, because the mean of its divisors is an integer number (2138808).

Almost surely, 2^42604660 is an apocalyptic number.

It is an amenable number.

42604660 is an abundant number, since it is smaller than the sum of its proper divisors (60058124).

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

42604660 is a wasteful number, since it uses less digits than its factorization.

42604660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1240 (or 1238 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 42604660 is about 6527.2245250183. The cubic root of 42604660 is about 349.2628294125.

It can be divided in two parts, 42604 and 660, that added together give a square (43264 = 208²).

The spelling of 42604660 in words is "forty-two million, six hundred four thousand, six hundred sixty".