462440842 has 4 divisors (see below), whose sum is σ = 693661266. Its totient is φ = 231220420.

The previous prime is 462440827. The next prime is 462440863. The reversal of 462440842 is 248044264.

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., 403166241 + 59274601 = 20079^2 + 7699^2 .

It is a junction number, because it is equal to n+sod(n) for n = 462440798 and 462440807.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115610209 + ... + 115610212.

Almost surely, 2^462440842 is an apocalyptic number.

462440842 is a deficient number, since it is larger than the sum of its proper divisors (231220424).

462440842 is a wasteful number, since it uses less digits than its factorization.

462440842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231220423.

The product of its (nonzero) digits is 49152, while the sum is 34.

The square root of 462440842 is about 21504.4377280598. The cubic root of 462440842 is about 773.3072130413.

The spelling of 462440842 in words is "four hundred sixty-two million, four hundred forty thousand, eight hundred forty-two".