42669900 has 216 divisors, whose sum is σ = 164926944. Its totient is φ = 8985600.

The previous prime is 42669863. The next prime is 42669923. The reversal of 42669900 is 996624.

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

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 81640 + ... + 82160.

Almost surely, 2^42669900 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 42669900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82463472).

42669900 is an abundant number, since it is smaller than the sum of its proper divisors (122257044).

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

42669900 is a wasteful number, since it uses less digits than its factorization.

42669900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561 (or 551 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 42669900 is about 6532.2201432591. The cubic root of 42669900 is about 349.4410124742.

The spelling of 42669900 in words is "forty-two million, six hundred sixty-nine thousand, nine hundred".