42049000 has 64 divisors (see below), whose sum is σ = 112469760. Its totient is φ = 14414400.

The previous prime is 42048997. The next prime is 42049001. The reversal of 42049000 is 94024.

It is not an unprimeable number, because it can be changed into a prime (42049001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3997 + ... + 10003.

It is an arithmetic number, because the mean of its divisors is an integer number (1757340).

Almost surely, 2^42049000 is an apocalyptic number.

42049000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42049000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56234880).

42049000 is an abundant number, since it is smaller than the sum of its proper divisors (70420760).

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

42049000 is a wasteful number, since it uses less digits than its factorization.

42049000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6035 (or 6021 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 42049000 is about 6484.5200284986. The cubic root of 42049000 is about 347.7377907671.

The spelling of 42049000 in words is "forty-two million, forty-nine thousand".