2430331387890 has 128 divisors (see below), whose sum is σ = 7028350525440. Its totient is φ = 525408208128.

The previous prime is 2430331387873. The next prime is 2430331387927. The reversal of 2430331387890 is 987831330342.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1949047 + ... + 2942693.

It is an arithmetic number, because the mean of its divisors is an integer number (54908988480).

Almost surely, 2^{2430331387890} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2430331387890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3514175262720).

2430331387890 is an abundant number, since it is smaller than the sum of its proper divisors (4598019137550).

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

2430331387890 is a wasteful number, since it uses less digits than its factorization.

2430331387890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 994296.

The product of its (nonzero) digits is 2612736, while the sum is 51.

The spelling of 2430331387890 in words is "two trillion, four hundred thirty billion, three hundred thirty-one million, three hundred eighty-seven thousand, eight hundred ninety".