4478752936840 has 192 divisors, whose sum is σ = 12662340586560. Its totient is φ = 1413166487040.

The previous prime is 4478752936837. The next prime is 4478752936871. The reversal of 4478752936840 is 486392578744.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8168359 + ... + 8699401.

It is an arithmetic number, because the mean of its divisors is an integer number (65949690555).

Almost surely, 2^{4478752936840} is an apocalyptic number.

4478752936840 is a gapful number since it is divisible by the number (40) 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 4478752936840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6331170293280).

4478752936840 is an abundant number, since it is smaller than the sum of its proper divisors (8183587649720).

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

4478752936840 is a wasteful number, since it uses less digits than its factorization.

4478752936840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531412 (or 531401 counting only the distinct ones).

The product of its (nonzero) digits is 325140480, while the sum is 67.

The spelling of 4478752936840 in words is "four trillion, four hundred seventy-eight billion, seven hundred fifty-two million, nine hundred thirty-six thousand, eight hundred forty".