463540648 has 8 divisors (see below), whose sum is σ = 869138730. Its totient is φ = 231770320.

The previous prime is 463540633. The next prime is 463540657. The reversal of 463540648 is 846045364.

It can be written as a sum of positive squares in only one way, i.e., 372567204 + 90973444 = 19302^2 + 9538^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×463540648³ (a number of 27 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 463540648.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28971283 + ... + 28971298.

Almost surely, 2^463540648 is an apocalyptic number.

It is an amenable number.

463540648 is a deficient number, since it is larger than the sum of its proper divisors (405598082).

463540648 is a wasteful number, since it uses less digits than its factorization.

463540648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57942587 (or 57942583 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 40.

The square root of 463540648 is about 21529.9941477001. The cubic root of 463540648 is about 773.9197703654.

The spelling of 463540648 in words is "four hundred sixty-three million, five hundred forty thousand, six hundred forty-eight".