2394891090 has 64 divisors (see below), whose sum is σ = 6396952320. Its totient is φ = 637580160.

The previous prime is 2394891061. The next prime is 2394891091. The reversal of 2394891090 is 901984932.

It is a super-2 number, since 2×2394891090² = 11471006665922776200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (2394891091) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 163342 + ... + 177398.

It is an arithmetic number, because the mean of its divisors is an integer number (99952380).

Almost surely, 2^2394891090 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2394891090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3198476160).

2394891090 is an abundant number, since it is smaller than the sum of its proper divisors (4002061230).

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

2394891090 is a wasteful number, since it uses less digits than its factorization.

2394891090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14704 (or 14698 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The square root of 2394891090 is about 48937.6244826003. The cubic root of 2394891090 is about 1337.9152050669.

The spelling of 2394891090 in words is "two billion, three hundred ninety-four million, eight hundred ninety-one thousand, ninety".