43516031412 has 24 divisors (see below), whose sum is σ = 116042750656. Its totient is φ = 12433151808.

The previous prime is 43516031411. The next prime is 43516031431. The reversal of 43516031412 is 21413061534.

It is a self number, because there is not a number n which added to its sum of digits gives 43516031412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43516031411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 259023913 + ... + 259024080.

Almost surely, 2^43516031412 is an apocalyptic number.

43516031412 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

43516031412 is an abundant number, since it is smaller than the sum of its proper divisors (72526719244).

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

43516031412 is a wasteful number, since it uses less digits than its factorization.

43516031412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518048007 (or 518048005 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 43516031412 its reverse (21413061534), we get a palindrome (64929092946).

The spelling of 43516031412 in words is "forty-three billion, five hundred sixteen million, thirty-one thousand, four hundred twelve".