461488815 has 48 divisors (see below), whose sum is σ = 846050400. Its totient is φ = 232056576.

The previous prime is 461488789. The next prime is 461488823. The reversal of 461488815 is 518884164.

It is not a de Polignac number, because 461488815 - 2⁶ = 461488751 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 194617 + ... + 196973.

It is an arithmetic number, because the mean of its divisors is an integer number (17626050).

Almost surely, 2^461488815 is an apocalyptic number.

461488815 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

461488815 is a deficient number, since it is larger than the sum of its proper divisors (384561585).

461488815 is a wasteful number, since it uses less digits than its factorization.

461488815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2616 (or 2613 counting only the distinct ones).

The product of its digits is 245760, while the sum is 45.

The square root of 461488815 is about 21482.2907298081. The cubic root of 461488815 is about 772.7761792533.

The spelling of 461488815 in words is "four hundred sixty-one million, four hundred eighty-eight thousand, eight hundred fifteen".