1228454260824 has 64 divisors (see below), whose sum is σ = 3532225248000. Its totient is φ = 348751338624.

The previous prime is 1228454260823. The next prime is 1228454260871. The reversal of 1228454260824 is 4280624548221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1228454260823) 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, 23260974 + ... + 23313725.

It is an arithmetic number, because the mean of its divisors is an integer number (55191019500).

Almost surely, 2^{1228454260824} is an apocalyptic number.

1228454260824 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1228454260824 is an abundant number, since it is smaller than the sum of its proper divisors (2303770987176).

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

1228454260824 is a wasteful number, since it uses less digits than its factorization.

1228454260824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46574872 (or 46574868 counting only the distinct ones).

The product of its (nonzero) digits is 1966080, while the sum is 48.

The spelling of 1228454260824 in words is "one trillion, two hundred twenty-eight billion, four hundred fifty-four million, two hundred sixty thousand, eight hundred twenty-four".