2656453406 has 32 divisors (see below), whose sum is σ = 4186982880. Its totient is φ = 1262722176.

The previous prime is 2656453391. The next prime is 2656453417. The reversal of 2656453406 is 6043546562.

It is a happy number.

2656453406 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 15 ways as a sum of consecutive naturals, for example, 753560 + ... + 757076.

It is an arithmetic number, because the mean of its divisors is an integer number (130843215).

Almost surely, 2^2656453406 is an apocalyptic number.

2656453406 is a deficient number, since it is larger than the sum of its proper divisors (1530529474).

2656453406 is a wasteful number, since it uses less digits than its factorization.

2656453406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3788.

The product of its (nonzero) digits is 518400, while the sum is 41.

The square root of 2656453406 is about 51540.7936104985. The cubic root of 2656453406 is about 1384.9499138660.

Adding to 2656453406 its reverse (6043546562), we get a palindrome (8699999968).

The spelling of 2656453406 in words is "two billion, six hundred fifty-six million, four hundred fifty-three thousand, four hundred six".