2042420850 has 72 divisors (see below), whose sum is σ = 5522446020. Its totient is φ = 541157760.

The previous prime is 2042420843. The next prime is 2042420881. The reversal of 2042420850 is 580242402.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 1276847289 + 765573561 = 35733^2 + 27669^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 56196 + ... + 85104.

Almost surely, 2^2042420850 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2042420850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2761223010).

2042420850 is an abundant number, since it is smaller than the sum of its proper divisors (3480025170).

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

2042420850 is a wasteful number, since it uses less digits than its factorization.

2042420850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29084 (or 29076 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

The square root of 2042420850 is about 45193.1504765932. The cubic root of 2042420850 is about 1268.7666224456.

The spelling of 2042420850 in words is "two billion, forty-two million, four hundred twenty thousand, eight hundred fifty".