43642053012 has 48 divisors (see below), whose sum is σ = 103536401024. Its totient is φ = 14303952000.

The previous prime is 43642052969. The next prime is 43642053019. The reversal of 43642053012 is 21035024634.

It is a super-2 number, since 2×43642053012² (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 (43642053019) 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, 2561562 + ... + 2578542.

Almost surely, 2^43642053012 is an apocalyptic number.

It is an amenable number.

43642053012 is an abundant number, since it is smaller than the sum of its proper divisors (59894348012).

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

43642053012 is a wasteful number, since it uses less digits than its factorization.

43642053012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20560 (or 20558 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 43642053012 its reverse (21035024634), we get a palindrome (64677077646).

The spelling of 43642053012 in words is "forty-three billion, six hundred forty-two million, fifty-three thousand, twelve".