27351215420 has 48 divisors (see below), whose sum is σ = 57641310720. Its totient is φ = 10901749824.

The previous prime is 27351215399. The next prime is 27351215431. The reversal of 27351215420 is 2451215372.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8170187 + ... + 8173533.

It is an arithmetic number, because the mean of its divisors is an integer number (1200860640).

Almost surely, 2^27351215420 is an apocalyptic number.

27351215420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27351215420 is an abundant number, since it is smaller than the sum of its proper divisors (30290095300).

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

27351215420 is a wasteful number, since it uses less digits than its factorization.

27351215420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4682 (or 4680 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

The spelling of 27351215420 in words is "twenty-seven billion, three hundred fifty-one million, two hundred fifteen thousand, four hundred twenty".