4646400842 has 8 divisors (see below), whose sum is σ = 6970545732. Its totient is φ = 2322885600.

The previous prime is 4646400841. The next prime is 4646400853. The reversal of 4646400842 is 2480046464.

It can be written as a sum of positive squares in 2 ways, for example, as 4568272921 + 78127921 = 67589^2 + 8839^2 .

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 = 4646400796 and 4646400805.

It is not an unprimeable number, because it can be changed into a prime (4646400841) 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, 138509 + ... + 168752.

Almost surely, 2^4646400842 is an apocalyptic number.

4646400842 is a deficient number, since it is larger than the sum of its proper divisors (2324144890).

4646400842 is a wasteful number, since it uses less digits than its factorization.

4646400842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314824.

The product of its (nonzero) digits is 147456, while the sum is 38.

The square root of 4646400842 is about 68164.5130694851. The cubic root of 4646400842 is about 1668.6767868266.

The spelling of 4646400842 in words is "four billion, six hundred forty-six million, four hundred thousand, eight hundred forty-two".