43342453440 has 1344 divisors, whose sum is σ = 191716761600. Its totient is φ = 8825241600.

The previous prime is 43342453433. The next prime is 43342453463. The reversal of 43342453440 is 4435424334.

43342453440 is a `hidden beast` number, since 43 + 3 + 42 + 4 + 534 + 40 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 43342453395 and 43342453404.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 226923745 + ... + 226923935.

It is an arithmetic number, because the mean of its divisors is an integer number (142646400).

Almost surely, 2^43342453440 is an apocalyptic number.

43342453440 is a gapful number since it is divisible by the number (40) 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 43342453440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95858380800).

43342453440 is an abundant number, since it is smaller than the sum of its proper divisors (148374308160).

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

43342453440 is a wasteful number, since it uses less digits than its factorization.

43342453440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286 (or 273 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 36.

Adding to 43342453440 its reverse (4435424334), we get a palindrome (47777877774).

The spelling of 43342453440 in words is "forty-three billion, three hundred forty-two million, four hundred fifty-three thousand, four hundred forty".