2338390780 has 48 divisors (see below), whose sum is σ = 5389203456. Its totient is φ = 845218880.

The previous prime is 2338390777. The next prime is 2338390799. The reversal of 2338390780 is 870938332.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4917 + ... + 68563.

It is an arithmetic number, because the mean of its divisors is an integer number (112275072).

Almost surely, 2^2338390780 is an apocalyptic number.

2338390780 is a gapful number since it is divisible by the number (20) 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 2338390780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2694601728).

2338390780 is an abundant number, since it is smaller than the sum of its proper divisors (3050812676).

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

2338390780 is a wasteful number, since it uses less digits than its factorization.

2338390780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63834 (or 63832 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 43.

The square root of 2338390780 is about 48356.9103644970. The cubic root of 2338390780 is about 1327.3099906203.

The spelling of 2338390780 in words is "two billion, three hundred thirty-eight million, three hundred ninety thousand, seven hundred eighty".