8572478555740 has 96 divisors (see below), whose sum is σ = 20083179594240. Its totient is φ = 3047350636800.

The previous prime is 8572478555659. The next prime is 8572478555741. The reversal of 8572478555740 is 475558742758.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8572478555741) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 228001 + ... + 4146919.

It is an arithmetic number, because the mean of its divisors is an integer number (209199787440).

Almost surely, 2^{8572478555740} 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 8572478555740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10041589797120).

8572478555740 is an abundant number, since it is smaller than the sum of its proper divisors (11510701038500).

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

8572478555740 is a wasteful number, since it uses less digits than its factorization.

8572478555740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3919163 (or 3919161 counting only the distinct ones).

The product of its (nonzero) digits is 439040000, while the sum is 67.

The spelling of 8572478555740 in words is "eight trillion, five hundred seventy-two billion, four hundred seventy-eight million, five hundred fifty-five thousand, seven hundred forty".