63487033440 has 96 divisors (see below), whose sum is σ = 203262677856. Its totient is φ = 16652328960.

The previous prime is 63487033429. The next prime is 63487033483. The reversal of 63487033440 is 4433078436.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 63487033392 and 63487033401.

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, 1054857 + ... + 1113416.

It is an arithmetic number, because the mean of its divisors is an integer number (2117319561).

Almost surely, 2^63487033440 is an apocalyptic number.

63487033440 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

63487033440 is an abundant number, since it is smaller than the sum of its proper divisors (139775644416).

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

63487033440 is a wasteful number, since it uses less digits than its factorization.

63487033440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2168352 (or 2168344 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 42.

The spelling of 63487033440 in words is "sixty-three billion, four hundred eighty-seven million, thirty-three thousand, four hundred forty".