427564145148 has 96 divisors (see below), whose sum is σ = 1179814325760. Its totient is φ = 117916028160.

The previous prime is 427564145101. The next prime is 427564145167. The reversal of 427564145148 is 841541465724.

It is a super-2 number, since 2×427564145148² (a number of 24 digits) contains 22 as substring.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 427564145148.

It is a congruent number.

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, 9534058 + ... + 9578798.

It is an arithmetic number, because the mean of its divisors is an integer number (12289732560).

Almost surely, 2^427564145148 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 427564145148, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (589907162880).

427564145148 is an abundant number, since it is smaller than the sum of its proper divisors (752250180612).

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

427564145148 is a wasteful number, since it uses less digits than its factorization.

427564145148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48707 (or 48705 counting only the distinct ones).

The product of its digits is 4300800, while the sum is 51.

The spelling of 427564145148 in words is "four hundred twenty-seven billion, five hundred sixty-four million, one hundred forty-five thousand, one hundred forty-eight".