1355024394464 has 24 divisors (see below), whose sum is σ = 2872912298760. Its totient is φ = 625395874176.

The previous prime is 1355024394433. The next prime is 1355024394527. The reversal of 1355024394464 is 4644934205531.

It is a super-2 number, since 2×1355024394464² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1628634674 + ... + 1628635505.

It is an arithmetic number, because the mean of its divisors is an integer number (119704679115).

Almost surely, 2^{1355024394464} is an apocalyptic number.

It is an amenable number.

1355024394464 is an abundant number, since it is smaller than the sum of its proper divisors (1517887904296).

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

1355024394464 is a wasteful number, since it uses less digits than its factorization.

1355024394464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3257270202 (or 3257270194 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 50.

Adding to 1355024394464 its reverse (4644934205531), we get a palindrome (5999958599995).

The spelling of 1355024394464 in words is "one trillion, three hundred fifty-five billion, twenty-four million, three hundred ninety-four thousand, four hundred sixty-four".