2403656812 has 12 divisors (see below), whose sum is σ = 4233192880. Its totient is φ = 1194173136.

The previous prime is 2403656803. The next prime is 2403656819. The reversal of 2403656812 is 2186563042.

It is not an unprimeable number, because it can be changed into a prime (2403656819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1913112 + ... + 1914367.

Almost surely, 2^2403656812 is an apocalyptic number.

It is an amenable number.

2403656812 is a deficient number, since it is larger than the sum of its proper divisors (1829536068).

2403656812 is a wasteful number, since it uses less digits than its factorization.

2403656812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3827640 (or 3827638 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 2403656812 is about 49027.1028309852. The cubic root of 2403656812 is about 1339.5455524380.

The spelling of 2403656812 in words is "two billion, four hundred three million, six hundred fifty-six thousand, eight hundred twelve".