2391332790 has 192 divisors, whose sum is σ = 7462844928. Its totient is φ = 484646400.

The previous prime is 2391332789. The next prime is 2391332821. The reversal of 2391332790 is 972331932.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 661167 + ... + 664773.

It is an arithmetic number, because the mean of its divisors is an integer number (38868984).

Almost surely, 2^2391332790 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2391332790, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3731422464).

2391332790 is an abundant number, since it is smaller than the sum of its proper divisors (5071512138).

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

2391332790 is a wasteful number, since it uses less digits than its factorization.

2391332790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3683 (or 3676 counting only the distinct ones).

The product of its (nonzero) digits is 61236, while the sum is 39.

The square root of 2391332790 is about 48901.2555053549. The cubic root of 2391332790 is about 1337.2522572554.

The spelling of 2391332790 in words is "two billion, three hundred ninety-one million, three hundred thirty-two thousand, seven hundred ninety".