67632557460 has 48 divisors (see below), whose sum is σ = 203938175616. Its totient is φ = 16648013952.

The previous prime is 67632557449. The next prime is 67632557467. The reversal of 67632557460 is 6475523676.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67632557467) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43353424 + ... + 43354983.

It is an arithmetic number, because the mean of its divisors is an integer number (4248711992).

Almost surely, 2^67632557460 is an apocalyptic number.

67632557460 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

67632557460 is an abundant number, since it is smaller than the sum of its proper divisors (136305618156).

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

67632557460 is a wasteful number, since it uses less digits than its factorization.

67632557460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86708432 (or 86708430 counting only the distinct ones).

The product of its (nonzero) digits is 6350400, while the sum is 51.

The spelling of 67632557460 in words is "sixty-seven billion, six hundred thirty-two million, five hundred fifty-seven thousand, four hundred sixty".