8402180516 has 6 divisors (see below), whose sum is σ = 14703815910. Its totient is φ = 4201090256.

The previous prime is 8402180473. The next prime is 8402180519. The reversal of 8402180516 is 6150812048.

It can be written as a sum of positive squares in only one way, i.e., 8315616100 + 86564416 = 91190^2 + 9304^2 .

It is not an unprimeable number, because it can be changed into a prime (8402180519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050272561 + ... + 1050272568.

It is an arithmetic number, because the mean of its divisors is an integer number (2450635985).

Almost surely, 2^8402180516 is an apocalyptic number.

It is an amenable number.

8402180516 is a deficient number, since it is larger than the sum of its proper divisors (6301635394).

8402180516 is a wasteful number, since it uses less digits than its factorization.

8402180516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2100545133 (or 2100545131 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 35.

The square root of 8402180516 is about 91663.4088172592. The cubic root of 8402180516 is about 2032.9685927389.

The spelling of 8402180516 in words is "eight billion, four hundred two million, one hundred eighty thousand, five hundred sixteen".