13626420224 has 22 divisors (see below), whose sum is σ = 27239535444. Its totient is φ = 6813209600.

The previous prime is 13626420217. The next prime is 13626420239. The reversal of 13626420224 is 42202462631.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6652502 + ... + 6654549.

It is an arithmetic number, because the mean of its divisors is an integer number (1238160702).

Almost surely, 2^13626420224 is an apocalyptic number.

It is an amenable number.

13626420224 is a deficient number, since it is larger than the sum of its proper divisors (13613115220).

13626420224 is an equidigital number, since it uses as much as digits as its factorization.

13626420224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13307071 (or 13307053 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 13626420224 its reverse (42202462631), we get a palindrome (55828882855).

The spelling of 13626420224 in words is "thirteen billion, six hundred twenty-six million, four hundred twenty thousand, two hundred twenty-four".