2018490432 has 112 divisors (see below), whose sum is σ = 6135014400. Its totient is φ = 573737472.

The previous prime is 2018490431. The next prime is 2018490437. The reversal of 2018490432 is 2340948102.

It is a tau number, because it is divible by the number of its divisors (112).

It is a junction number, because it is equal to n+sod(n) for n = 2018490393 and 2018490402.

It is not an unprimeable number, because it can be changed into a prime (2018490431) 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, 263683 + ... + 271229.

Almost surely, 2^2018490432 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 2018490432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3067507200).

2018490432 is an abundant number, since it is smaller than the sum of its proper divisors (4116523968).

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

2018490432 is a wasteful number, since it uses less digits than its factorization.

2018490432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7768 (or 7758 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 2018490432 is about 44927.6132461986. The cubic root of 2018490432 is about 1263.7918927803.

The spelling of 2018490432 in words is "two billion, eighteen million, four hundred ninety thousand, four hundred thirty-two".