1344555432 has 192 divisors, whose sum is σ = 4321512000. Its totient is φ = 372971520.

The previous prime is 1344555419. The next prime is 1344555437. The reversal of 1344555432 is 2345554431.

1344555432 is a `hidden beast` number, since 1 + 34 + 45 + 554 + 32 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1344555437) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 496819 + ... + 499517.

It is an arithmetic number, because the mean of its divisors is an integer number (22507875).

Almost surely, 2^1344555432 is an apocalyptic number.

1344555432 is a gapful number since it is divisible by the number (12) 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 1344555432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2160756000).

1344555432 is an abundant number, since it is smaller than the sum of its proper divisors (2976956568).

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

1344555432 is a wasteful number, since it uses less digits than its factorization.

1344555432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2776 (or 2769 counting only the distinct ones).

The product of its digits is 144000, while the sum is 36.

The square root of 1344555432 is about 36668.1801020994. The cubic root of 1344555432 is about 1103.7216729061.

The spelling of 1344555432 in words is "one billion, three hundred forty-four million, five hundred fifty-five thousand, four hundred thirty-two".