2494920090 has 64 divisors (see below), whose sum is σ = 6520953600. Its totient is φ = 607225344.

The previous prime is 2494920073. The next prime is 2494920091. The reversal of 2494920090 is 900294942.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (2494920091) 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, 1230 + ... + 70649.

It is an arithmetic number, because the mean of its divisors is an integer number (101889900).

Almost surely, 2^2494920090 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2494920090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3260476800).

2494920090 is an abundant number, since it is smaller than the sum of its proper divisors (4026033510).

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

2494920090 is a wasteful number, since it uses less digits than its factorization.

2494920090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71991.

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 2494920090 is about 49949.1750682631. The cubic root of 2494920090 is about 1356.2889184752.

The spelling of 2494920090 in words is "two billion, four hundred ninety-four million, nine hundred twenty thousand, ninety".