78062440390880 has 384 divisors, whose sum is σ = 211261192740864. Its totient is φ = 27000865382400.

The previous prime is 78062440390871. The next prime is 78062440390897. The reversal of 78062440390880 is 8809304426087.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2788229042 + ... + 2788257038.

It is an arithmetic number, because the mean of its divisors is an integer number (550159356096).

Almost surely, 2^{78062440390880} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78062440390880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105630596370432).

78062440390880 is an abundant number, since it is smaller than the sum of its proper divisors (133198752349984).

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

78062440390880 is a wasteful number, since it uses less digits than its factorization.

78062440390880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29018 (or 29010 counting only the distinct ones).

The product of its (nonzero) digits is 18579456, while the sum is 59.

The spelling of 78062440390880 in words is "seventy-eight trillion, sixty-two billion, four hundred forty million, three hundred ninety thousand, eight hundred eighty".