2403689816 has 16 divisors (see below), whose sum is σ = 4916638440. Its totient is φ = 1092586240.

The previous prime is 2403689803. The next prime is 2403689831. The reversal of 2403689816 is 6189863042.

It is a super-2 number, since 2×2403689816² = 11555449463084227712, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13657241 + ... + 13657416.

Almost surely, 2^2403689816 is an apocalyptic number.

It is an amenable number.

2403689816 is an abundant number, since it is smaller than the sum of its proper divisors (2512948624).

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

2403689816 is a wasteful number, since it uses less digits than its factorization.

2403689816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27314674 (or 27314670 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 47.

The square root of 2403689816 is about 49027.4394191661. The cubic root of 2403689816 is about 1339.5516833963.

The spelling of 2403689816 in words is "two billion, four hundred three million, six hundred eighty-nine thousand, eight hundred sixteen".