104278043520 has 1536 divisors, whose sum is σ = 474970752000. Its totient is φ = 21116878848.

The previous prime is 104278043491. The next prime is 104278043521. The reversal of 104278043520 is 25340872401.

It is a happy number.

104278043520 is a `hidden beast` number, since 10 + 4 + 2 + 7 + 80 + 43 + 520 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104278043521) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 664191282 + ... + 664191438.

It is an arithmetic number, because the mean of its divisors is an integer number (309225750).

Almost surely, 2^104278043520 is an apocalyptic number.

104278043520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 104278043520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (237485376000).

104278043520 is an abundant number, since it is smaller than the sum of its proper divisors (370692708480).

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

104278043520 is a wasteful number, since it uses less digits than its factorization.

104278043520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245 (or 210 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The spelling of 104278043520 in words is "one hundred four billion, two hundred seventy-eight million, forty-three thousand, five hundred twenty".