42786818460 has 96 divisors (see below), whose sum is σ = 133238172480. Its totient is φ = 11399222016.

The previous prime is 42786818453. The next prime is 42786818479. The reversal of 42786818460 is 6481868724.

42786818460 is a `hidden beast` number, since 4 + 27 + 86 + 81 + 8 + 460 = 666.

42786818460 is digitally balanced in base 2, 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 (54).

It is a junction number, because it is equal to n+sod(n) for n = 42786818397 and 42786818406.

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, 553974 + ... + 626466.

It is an arithmetic number, because the mean of its divisors is an integer number (1387897630).

Almost surely, 2^42786818460 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 42786818460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66619086240).

42786818460 is an abundant number, since it is smaller than the sum of its proper divisors (90451354020).

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

42786818460 is a wasteful number, since it uses less digits than its factorization.

42786818460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73604 (or 73596 counting only the distinct ones).

The product of its (nonzero) digits is 4128768, while the sum is 54.

The spelling of 42786818460 in words is "forty-two billion, seven hundred eighty-six million, eight hundred eighteen thousand, four hundred sixty".