2490981732 has 36 divisors (see below), whose sum is σ = 6450228876. Its totient is φ = 810074880.

The previous prime is 2490981667. The next prime is 2490981733. The reversal of 2490981732 is 2371890942.

2490981732 is a `hidden beast` number, since 2 + 490 + 98 + 1 + 73 + 2 = 666.

2490981732 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1488879396 + 1002102336 = 38586^2 + 31656^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (2490981733) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 842353 + ... + 845304.

Almost surely, 2^2490981732 is an apocalyptic number.

It is an amenable number.

2490981732 is an abundant number, since it is smaller than the sum of its proper divisors (3959247144).

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

2490981732 is a wasteful number, since it uses less digits than its factorization.

2490981732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1687708 (or 1687703 counting only the distinct ones).

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

The square root of 2490981732 is about 49909.7358438211. The cubic root of 2490981732 is about 1355.5748856640.

The spelling of 2490981732 in words is "two billion, four hundred ninety million, nine hundred eighty-one thousand, seven hundred thirty-two".