2490381972 has 54 divisors (see below), whose sum is σ = 6816639102. Its totient is φ = 766269504.

The previous prime is 2490381961. The next prime is 2490381983. The reversal of 2490381972 is 2791830942.

It is an interprime number because it is at equal distance from previous prime (2490381961) and next prime (2490381983).

It can be written as a sum of positive squares in 3 ways, for example, as 33593616 + 2456788356 = 5796^2 + 49566^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 198583 + ... + 210750.

Almost surely, 2^2490381972 is an apocalyptic number.

It is an amenable number.

2490381972 is an abundant number, since it is smaller than the sum of its proper divisors (4326257130).

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

2490381972 is a wasteful number, since it uses less digits than its factorization.

2490381972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409369 (or 409351 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 2490381972 is about 49903.7270351624. The cubic root of 2490381972 is about 1355.4660818615.

The spelling of 2490381972 in words is "two billion, four hundred ninety million, three hundred eighty-one thousand, nine hundred seventy-two".