427661582700 has 144 divisors (see below), whose sum is σ = 1353683108736. Its totient is φ = 103381555200.

The previous prime is 427661582693. The next prime is 427661582723. The reversal of 427661582700 is 7285166724.

It is a self number, because there is not a number n which added to its sum of digits gives 427661582700.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 981339 + ... + 1348461.

It is an arithmetic number, because the mean of its divisors is an integer number (9400577144).

Almost surely, 2^427661582700 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 427661582700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (676841554368).

427661582700 is an abundant number, since it is smaller than the sum of its proper divisors (926021526036).

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

427661582700 is a wasteful number, since it uses less digits than its factorization.

427661582700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367504 (or 367497 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 48.

The spelling of 427661582700 in words is "four hundred twenty-seven billion, six hundred sixty-one million, five hundred eighty-two thousand, seven hundred".