42049500 has 144 divisors (see below), whose sum is σ = 131415648. Its totient is φ = 10444800.

The previous prime is 42049499. The next prime is 42049529. The reversal of 42049500 is 594024.

It is a congruent number.

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, 433452 + ... + 433548.

Almost surely, 2^42049500 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 42049500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65707824).

42049500 is an abundant number, since it is smaller than the sum of its proper divisors (89366148).

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

42049500 is a wasteful number, since it uses less digits than its factorization.

42049500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153 (or 124 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 42049500 is about 6484.5585817386. The cubic root of 42049500 is about 347.7391690655.

The spelling of 42049500 in words is "forty-two million, forty-nine thousand, five hundred".