27493745903480 has 16 divisors (see below), whose sum is σ = 61860928282920. Its totient is φ = 10997498361376.

The previous prime is 27493745903473. The next prime is 27493745903483. The reversal of 27493745903480 is 8430954739472.

It is a super-2 number, since 2×27493745903480² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27493745903483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 343671823754 + ... + 343671823833.

Almost surely, 2^{27493745903480} is an apocalyptic number.

27493745903480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27493745903480 is an abundant number, since it is smaller than the sum of its proper divisors (34367182379440).

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

27493745903480 is a wasteful number, since it uses less digits than its factorization.

27493745903480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687343647598 (or 687343647594 counting only the distinct ones).

The product of its (nonzero) digits is 182891520, while the sum is 65.

The spelling of 27493745903480 in words is "twenty-seven trillion, four hundred ninety-three billion, seven hundred forty-five million, nine hundred three thousand, four hundred eighty".