2640303472 has 20 divisors (see below), whose sum is σ = 5143856536. Its totient is φ = 1312856640.

The previous prime is 2640303437. The next prime is 2640303487. The reversal of 2640303472 is 2743030462.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 452958 + ... + 458749.

Almost surely, 2^2640303472 is an apocalyptic number.

It is an amenable number.

2640303472 is a deficient number, since it is larger than the sum of its proper divisors (2503553064).

2640303472 is a wasteful number, since it uses less digits than its factorization.

2640303472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 911896 (or 911890 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 31.

The square root of 2640303472 is about 51383.8833876927. The cubic root of 2640303472 is about 1382.1376015479.

The spelling of 2640303472 in words is "two billion, six hundred forty million, three hundred three thousand, four hundred seventy-two".