427255040960 has 112 divisors (see below), whose sum is σ = 1111788236160. Its totient is φ = 155100042240.

The previous prime is 427255040929. The next prime is 427255040969. The reversal of 427255040960 is 69040552724.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427255040969) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1962851 + ... + 2169629.

It is an arithmetic number, because the mean of its divisors is an integer number (9926680680).

Almost surely, 2^427255040960 is an apocalyptic number.

427255040960 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 427255040960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (555894118080).

427255040960 is an abundant number, since it is smaller than the sum of its proper divisors (684533195200).

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

427255040960 is a wasteful number, since it uses less digits than its factorization.

427255040960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207394 (or 207384 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 44.

The spelling of 427255040960 in words is "four hundred twenty-seven billion, two hundred fifty-five million, forty thousand, nine hundred sixty".