427696557540 has 96 divisors (see below), whose sum is σ = 1405619007744. Its totient is φ = 95117068800.

The previous prime is 427696557439. The next prime is 427696557583. The reversal of 427696557540 is 45755696724.

It is a happy number.

427696557540 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13745611 + ... + 13776690.

It is an arithmetic number, because the mean of its divisors is an integer number (14641864664).

Almost surely, 2^427696557540 is an apocalyptic number.

It is an amenable number.

427696557540 is an abundant number, since it is smaller than the sum of its proper divisors (977922450204).

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

427696557540 is a wasteful number, since it uses less digits than its factorization.

427696557540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27522357 (or 27522355 counting only the distinct ones).

The product of its (nonzero) digits is 63504000, while the sum is 60.

The spelling of 427696557540 in words is "four hundred twenty-seven billion, six hundred ninety-six million, five hundred fifty-seven thousand, five hundred forty".