43052012400 has 120 divisors (see below), whose sum is σ = 138308719104. Its totient is φ = 11447340800.

The previous prime is 43052012371. The next prime is 43052012407. The reversal of 43052012400 is 421025034.

It is a tau number, because it is divible by the number of its divisors (120).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43052012407) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 364705 + ... + 468095.

Almost surely, 2^43052012400 is an apocalyptic number.

43052012400 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 43052012400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69154359552).

43052012400 is an abundant number, since it is smaller than the sum of its proper divisors (95256706704).

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

43052012400 is a wasteful number, since it uses less digits than its factorization.

43052012400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103759 (or 103748 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

Adding to 43052012400 its reverse (421025034), we get a palindrome (43473037434).

The spelling of 43052012400 in words is "forty-three billion, fifty-two million, twelve thousand, four hundred".