1355433839424 has 560 divisors, whose sum is σ = 4658664637440. Its totient is φ = 381675110400.

The previous prime is 1355433839399. The next prime is 1355433839429. The reversal of 1355433839424 is 4249383345531.

1355433839424 is a `hidden beast` number, since 1 + 3 + 5 + 543 + 3 + 8 + 3 + 94 + 2 + 4 = 666.

It is a super-3 number, since 3×1355433839424³ (a number of 37 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1355433839429) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 941926897 + ... + 941928335.

Almost surely, 2^{1355433839424} is an apocalyptic number.

1355433839424 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1355433839424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2329332318720).

1355433839424 is an abundant number, since it is smaller than the sum of its proper divisors (3303230798016).

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

1355433839424 is a wasteful number, since it uses less digits than its factorization.

1355433839424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1828 (or 1809 counting only the distinct ones).

The product of its digits is 18662400, while the sum is 54.

The spelling of 1355433839424 in words is "one trillion, three hundred fifty-five billion, four hundred thirty-three million, eight hundred thirty-nine thousand, four hundred twenty-four".