8480400442 has 8 divisors (see below), whose sum is σ = 12721094100. Its totient is φ = 4240035744.

The previous prime is 8480400431. The next prime is 8480400443. The reversal of 8480400442 is 2440040848.

It can be written as a sum of positive squares in 2 ways, for example, as 7382074561 + 1098325881 = 85919^2 + 33141^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 8480400398 and 8480400407.

It is not an unprimeable number, because it can be changed into a prime (8480400443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2217 + ... + 130252.

Almost surely, 2^8480400442 is an apocalyptic number.

8480400442 is a deficient number, since it is larger than the sum of its proper divisors (4240693658).

8480400442 is a wasteful number, since it uses less digits than its factorization.

8480400442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164480.

The product of its (nonzero) digits is 32768, while the sum is 34.

The square root of 8480400442 is about 92089.0897012236. The cubic root of 8480400442 is about 2039.2577430654.

The spelling of 8480400442 in words is "eight billion, four hundred eighty million, four hundred thousand, four hundred forty-two".