1255233418384 has 45 divisors (see below), whose sum is σ = 2673311281459. Its totient is φ = 570538237280.

The previous prime is 1255233418379. The next prime is 1255233418409. The reversal of 1255233418384 is 4838143325521.

The square root of 1255233418384 is 1120372.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×1255233418384² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 49283637 + ... + 49309099.

Almost surely, 2^{1255233418384} is an apocalyptic number.

1255233418384 is the 1120372-nd square number.

It is an amenable number.

1255233418384 is an abundant number, since it is smaller than the sum of its proper divisors (1418077863075).

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

1255233418384 is an frugal number, since it uses more digits than its factorization.

1255233418384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50956 (or 25476 counting only the distinct ones).

The product of its digits is 2764800, while the sum is 49.

Multiplying 1255233418384 by its sum of digits (49), we get a square (61506437500816 = 7842604²).

The spelling of 1255233418384 in words is "one trillion, two hundred fifty-five billion, two hundred thirty-three million, four hundred eighteen thousand, three hundred eighty-four".