1244464368648 has 32 divisors (see below), whose sum is σ = 3114071332800. Its totient is φ = 414433401408.

The previous prime is 1244464368619. The next prime is 1244464368671. The reversal of 1244464368648 is 8468634644421.

It is a super-3 number, since 3×1244464368648³ (a number of 37 digits) contains 333 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 1244464368591 and 1244464368600.

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, 24227236 + ... + 24278547.

It is an arithmetic number, because the mean of its divisors is an integer number (97314729150).

Almost surely, 2^{1244464368648} is an apocalyptic number.

It is an amenable number.

1244464368648 is an abundant number, since it is smaller than the sum of its proper divisors (1869606964152).

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

1244464368648 is a wasteful number, since it uses less digits than its factorization.

1244464368648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48506861 (or 48506857 counting only the distinct ones).

The product of its digits is 84934656, while the sum is 60.

The spelling of 1244464368648 in words is "one trillion, two hundred forty-four billion, four hundred sixty-four million, three hundred sixty-eight thousand, six hundred forty-eight".