2402640532 has 48 divisors (see below), whose sum is σ = 4527436032. Its totient is φ = 1111587840.

The previous prime is 2402640511. The next prime is 2402640533. The reversal of 2402640532 is 2350462042.

It is a self number, because there is not a number n which added to its sum of digits gives 2402640532.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2402640533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2138923 + ... + 2140045.

It is an arithmetic number, because the mean of its divisors is an integer number (94321584).

Almost surely, 2^2402640532 is an apocalyptic number.

It is an amenable number.

2402640532 is a deficient number, since it is larger than the sum of its proper divisors (2124795500).

2402640532 is a wasteful number, since it uses less digits than its factorization.

2402640532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1648 (or 1646 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 2402640532 is about 49016.7372639183. The cubic root of 2402640532 is about 1339.3567366227.

The spelling of 2402640532 in words is "two billion, four hundred two million, six hundred forty thousand, five hundred thirty-two".