481406642 has 4 divisors (see below), whose sum is σ = 722109966. Its totient is φ = 240703320.

The previous prime is 481406609. The next prime is 481406687. The reversal of 481406642 is 246604184.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 478340641 + 3066001 = 21871^2 + 1751^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120351659 + ... + 120351662.

Almost surely, 2^481406642 is an apocalyptic number.

481406642 is a deficient number, since it is larger than the sum of its proper divisors (240703324).

481406642 is a wasteful number, since it uses less digits than its factorization.

481406642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240703323.

The product of its (nonzero) digits is 36864, while the sum is 35.

The square root of 481406642 is about 21940.9808805349. The cubic root of 481406642 is about 783.7376180586.

The spelling of 481406642 in words is "four hundred eighty-one million, four hundred six thousand, six hundred forty-two".