2661402424 has 32 divisors (see below), whose sum is σ = 5057910000. Its totient is φ = 1312733952.

The previous prime is 2661402407. The next prime is 2661402431. The reversal of 2661402424 is 4242041662.

It is a happy number.

2661402424 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196627 + ... + 209725.

Almost surely, 2^2661402424 is an apocalyptic number.

It is an amenable number.

2661402424 is a deficient number, since it is larger than the sum of its proper divisors (2396507576).

2661402424 is a wasteful number, since it uses less digits than its factorization.

2661402424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13447 (or 13443 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 31.

The square root of 2661402424 is about 51588.7819588716. The cubic root of 2661402424 is about 1385.8094420846.

The spelling of 2661402424 in words is "two billion, six hundred sixty-one million, four hundred two thousand, four hundred twenty-four".