1426624641 has 24 divisors (see below), whose sum is σ = 2222316096. Its totient is φ = 876687840.

The previous prime is 1426624621. The next prime is 1426624673. The reversal of 1426624641 is 1464266241.

1426624641 is a `hidden beast` number, since 1 + 4 + 2 + 6 + 6 + 2 + 4 + 641 = 666.

It is not a de Polignac number, because 1426624641 - 2⁵ = 1426624609 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1426624596 and 1426624605.

It is not an unprimeable number, because it can be changed into a prime (1426624601) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 78726 + ... + 95136.

It is an arithmetic number, because the mean of its divisors is an integer number (92596504).

Almost surely, 2^1426624641 is an apocalyptic number.

It is an amenable number.

1426624641 is a deficient number, since it is larger than the sum of its proper divisors (795691455).

1426624641 is a wasteful number, since it uses less digits than its factorization.

1426624641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17173 (or 17170 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The square root of 1426624641 is about 37770.6849421612. The cubic root of 1426624641 is about 1125.7360492859.

The spelling of 1426624641 in words is "one billion, four hundred twenty-six million, six hundred twenty-four thousand, six hundred forty-one".