20140432134040 has 16 divisors (see below), whose sum is σ = 45315972301680. Its totient is φ = 8056172853600.

The previous prime is 20140432134001. The next prime is 20140432134089. The reversal of 20140432134040 is 4043123404102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 251755401636 + ... + 251755401715.

It is an arithmetic number, because the mean of its divisors is an integer number (2832248268855).

Almost surely, 2^{20140432134040} is an apocalyptic number.

20140432134040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20140432134040 is an abundant number, since it is smaller than the sum of its proper divisors (25175540167640).

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

20140432134040 is a wasteful number, since it uses less digits than its factorization.

20140432134040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503510803362 (or 503510803358 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 20140432134040 its reverse (4043123404102), we get a palindrome (24183555538142).

The spelling of 20140432134040 in words is "twenty trillion, one hundred forty billion, four hundred thirty-two million, one hundred thirty-four thousand, forty".