4001224635 has 96 divisors (see below), whose sum is σ = 7652316672. Its totient is φ = 1998743040.

The previous prime is 4001224613. The next prime is 4001224651. The reversal of 4001224635 is 5364221004.

4001224635 is a `hidden beast` number, since 4 + 0 + 0 + 1 + 2 + 24 + 635 = 666.

It is not a de Polignac number, because 4001224635 - 2²³ = 3992836027 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 4001224599 and 4001224608.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 6340770 + ... + 6341400.

It is an arithmetic number, because the mean of its divisors is an integer number (79711632).

Almost surely, 2^4001224635 is an apocalyptic number.

4001224635 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

4001224635 is a deficient number, since it is larger than the sum of its proper divisors (3651092037).

4001224635 is a wasteful number, since it uses less digits than its factorization.

4001224635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 975 (or 963 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 4001224635 is about 63255.2340522110. The cubic root of 4001224635 is about 1587.5630343458.

Adding to 4001224635 its reverse (5364221004), we get a palindrome (9365445639).

The spelling of 4001224635 in words is "four billion, one million, two hundred twenty-four thousand, six hundred thirty-five".