43434136312 has 64 divisors (see below), whose sum is σ = 95986376640. Its totient is φ = 18036172800.

The previous prime is 43434136309. The next prime is 43434136313. The reversal of 43434136312 is 21363143434.

It is a super-2 number, since 2×43434136312² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43434136313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 455862 + ... + 542842.

It is an arithmetic number, because the mean of its divisors is an integer number (1499787135).

Almost surely, 2^43434136312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43434136312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47993188320).

43434136312 is an abundant number, since it is smaller than the sum of its proper divisors (52552240328).

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

43434136312 is a wasteful number, since it uses less digits than its factorization.

43434136312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87272 (or 87268 counting only the distinct ones).

The product of its digits is 62208, while the sum is 34.

Adding to 43434136312 its reverse (21363143434), we get a palindrome (64797279746).

The spelling of 43434136312 in words is "forty-three billion, four hundred thirty-four million, one hundred thirty-six thousand, three hundred twelve".