27500460040 has 32 divisors (see below), whose sum is σ = 65515803480. Its totient is φ = 10353114112.

The previous prime is 27500459999. The next prime is 27500460067. The reversal of 27500460040 is 4006400572.

It can be written as a sum of positive squares in 4 ways, for example, as 27414749476 + 85710564 = 165574^2 + 9258^2 .

It is a junction number, because it is equal to n+sod(n) for n = 27500459990 and 27500460008.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20220247 + ... + 20221606.

Almost surely, 2^27500460040 is an apocalyptic number.

27500460040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27500460040 is an abundant number, since it is smaller than the sum of its proper divisors (38015343440).

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

27500460040 is a wasteful number, since it uses less digits than its factorization.

27500460040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40441881 (or 40441877 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The spelling of 27500460040 in words is "twenty-seven billion, five hundred million, four hundred sixty thousand, forty".