8154880140 has 48 divisors (see below), whose sum is σ = 24909454080. Its totient is φ = 1976940480.

The previous prime is 8154880133. The next prime is 8154880141. The reversal of 8154880140 is 410884518.

It is not an unprimeable number, because it can be changed into a prime (8154880141) 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, 6177280 + ... + 6178599.

It is an arithmetic number, because the mean of its divisors is an integer number (518946960).

Almost surely, 2^8154880140 is an apocalyptic number.

It is an amenable number.

8154880140 is an abundant number, since it is smaller than the sum of its proper divisors (16754573940).

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

8154880140 is a wasteful number, since it uses less digits than its factorization.

8154880140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12355902 (or 12355900 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 39.

The square root of 8154880140 is about 90304.3749770741. The cubic root of 8154880140 is about 2012.8242716035.

The spelling of 8154880140 in words is "eight billion, one hundred fifty-four million, eight hundred eighty thousand, one hundred forty".