78304461483440 has 40 divisors (see below), whose sum is σ = 183934758255360. Its totient is φ = 30998879594496.

The previous prime is 78304461483439. The next prime is 78304461483463. The reversal of 78304461483440 is 4438416440387.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×78304461483440² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5045382800 + ... + 5045398319.

It is an arithmetic number, because the mean of its divisors is an integer number (4598368956384).

Almost surely, 2^{78304461483440} is an apocalyptic number.

It is an amenable number.

78304461483440 is an abundant number, since it is smaller than the sum of its proper divisors (105630296771920).

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

78304461483440 is a wasteful number, since it uses less digits than its factorization.

78304461483440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10090781229 (or 10090781223 counting only the distinct ones).

The product of its (nonzero) digits is 24772608, while the sum is 56.

The spelling of 78304461483440 in words is "seventy-eight trillion, three hundred four billion, four hundred sixty-one million, four hundred eighty-three thousand, four hundred forty".