67324646940 has 24 divisors (see below), whose sum is σ = 188509011600. Its totient is φ = 17953239168.

The previous prime is 67324646927. The next prime is 67324646941. The reversal of 67324646940 is 4964642376.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67324646941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 561038665 + ... + 561038784.

It is an arithmetic number, because the mean of its divisors is an integer number (7854542150).

Almost surely, 2^67324646940 is an apocalyptic number.

67324646940 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

67324646940 is an abundant number, since it is smaller than the sum of its proper divisors (121184364660).

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

67324646940 is a wasteful number, since it uses less digits than its factorization.

67324646940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122077461 (or 1122077459 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 51.

The spelling of 67324646940 in words is "sixty-seven billion, three hundred twenty-four million, six hundred forty-six thousand, nine hundred forty".