42479900 has 36 divisors (see below), whose sum is σ = 92832600. Its totient is φ = 16872000.

The previous prime is 42479891. The next prime is 42479903. The reversal of 42479900 is 997424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42479903) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13475 + ... + 16325.

Almost surely, 2^42479900 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 42479900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46416300).

42479900 is an abundant number, since it is smaller than the sum of its proper divisors (50352700).

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

42479900 is a wasteful number, since it uses less digits than its factorization.

42479900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3014 (or 3007 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 42479900 is about 6517.6606232605. The cubic root of 42479900 is about 348.9215785352.

The spelling of 42479900 in words is "forty-two million, four hundred seventy-nine thousand, nine hundred".