8141262780 has 240 divisors, whose sum is σ = 27466113024. Its totient is φ = 1799844480.

The previous prime is 8141262751. The next prime is 8141262791. The reversal of 8141262780 is 872621418.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 4464949 + ... + 4466771.

Almost surely, 2^8141262780 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 8141262780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13733056512).

8141262780 is an abundant number, since it is smaller than the sum of its proper divisors (19324850244).

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

8141262780 is a wasteful number, since it uses less digits than its factorization.

8141262780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1894 (or 1871 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 39.

The square root of 8141262780 is about 90228.9464639813. The cubic root of 8141262780 is about 2011.7032813560.

The spelling of 8141262780 in words is "eight billion, one hundred forty-one million, two hundred sixty-two thousand, seven hundred eighty".