63464460540 has 48 divisors (see below), whose sum is σ = 191369760288. Its totient is φ = 15622020864.

The previous prime is 63464460539. The next prime is 63464460559. The reversal of 63464460540 is 4506446436.

It is a junction number, because it is equal to n+sod(n) for n = 63464460492 and 63464460501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40681567 + ... + 40683126.

It is an arithmetic number, because the mean of its divisors is an integer number (3986870006).

Almost surely, 2^63464460540 is an apocalyptic number.

63464460540 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

63464460540 is an abundant number, since it is smaller than the sum of its proper divisors (127905299748).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63464460540 is a wasteful number, since it uses less digits than its factorization.

63464460540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81364718 (or 81364716 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 42.

The spelling of 63464460540 in words is "sixty-three billion, four hundred sixty-four million, four hundred sixty thousand, five hundred forty".