2688422401 has 16 divisors (see below), whose sum is σ = 3107579904. Its totient is φ = 2278129104.

The previous prime is 2688422383. The next prime is 2688422489. The reversal of 2688422401 is 1042248862.

It is a cyclic number.

It is not a de Polignac number, because 2688422401 - 2¹¹ = 2688420353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2688422801) 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, 388296 + ... + 395158.

It is an arithmetic number, because the mean of its divisors is an integer number (194223744).

Almost surely, 2^2688422401 is an apocalyptic number.

It is an amenable number.

2688422401 is a deficient number, since it is larger than the sum of its proper divisors (419157503).

2688422401 is a wasteful number, since it uses less digits than its factorization.

2688422401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7500.

The product of its (nonzero) digits is 49152, while the sum is 37.

The square root of 2688422401 is about 51849.9990453230. Note that the first 3 decimals coincide. The cubic root of 2688422401 is about 1390.4834853468.

The spelling of 2688422401 in words is "two billion, six hundred eighty-eight million, four hundred twenty-two thousand, four hundred one".