4001223524860 has 24 divisors (see below), whose sum is σ = 8404057609920. Its totient is φ = 1600205941824.

The previous prime is 4001223524833. The next prime is 4001223524873. The reversal of 4001223524860 is 684253221004.

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, 17600995 + ... + 17826874.

It is an arithmetic number, because the mean of its divisors is an integer number (350169067080).

Almost surely, 2^{4001223524860} is an apocalyptic number.

It is an amenable number.

4001223524860 is an abundant number, since it is smaller than the sum of its proper divisors (4402834085060).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4001223524860 is a wasteful number, since it uses less digits than its factorization.

4001223524860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35433525 (or 35433523 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 37.

Adding to 4001223524860 its reverse (684253221004), we get a palindrome (4685476745864).

The spelling of 4001223524860 in words is "four trillion, one billion, two hundred twenty-three million, five hundred twenty-four thousand, eight hundred sixty".