27400750480 has 20 divisors (see below), whose sum is σ = 63706745052. Its totient is φ = 10960300160.

The previous prime is 27400750463. The next prime is 27400750523. The reversal of 27400750480 is 8405700472.

It can be written as a sum of positive squares in 2 ways, for example, as 11788747776 + 15612002704 = 108576^2 + 124948^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×27400750480² (a number of 22 digits) contains 22 as substring.

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, 171254611 + ... + 171254770.

Almost surely, 2^27400750480 is an apocalyptic number.

27400750480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27400750480 is an abundant number, since it is smaller than the sum of its proper divisors (36305994572).

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

27400750480 is a wasteful number, since it uses less digits than its factorization.

27400750480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342509394 (or 342509388 counting only the distinct ones).

The product of its (nonzero) digits is 62720, while the sum is 37.

The spelling of 27400750480 in words is "twenty-seven billion, four hundred million, seven hundred fifty thousand, four hundred eighty".