43452334464 has 192 divisors, whose sum is σ = 146470939200. Its totient is φ = 11286266880.

The previous prime is 43452334447. The next prime is 43452334493. The reversal of 43452334464 is 46443325434.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 102007 + ... + 311945.

It is an arithmetic number, because the mean of its divisors is an integer number (762869475).

Almost surely, 2^43452334464 is an apocalyptic number.

43452334464 is a gapful number since it is divisible by the number (44) 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 43452334464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73235469600).

43452334464 is an abundant number, since it is smaller than the sum of its proper divisors (103018604736).

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

43452334464 is a wasteful number, since it uses less digits than its factorization.

43452334464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209981 (or 209962 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 42.

Adding to 43452334464 its reverse (46443325434), we get a palindrome (89895659898).

The spelling of 43452334464 in words is "forty-three billion, four hundred fifty-two million, three hundred thirty-four thousand, four hundred sixty-four".