4572404640 has 384 divisors, whose sum is σ = 16514668800. Its totient is φ = 1195886592.

The previous prime is 4572404569. The next prime is 4572404651. The reversal of 4572404640 is 464042754.

4572404640 is a `hidden beast` number, since 4 + 5 + 7 + 2 + 4 + 0 + 4 + 640 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 4572404595 and 4572404604.

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, 25544071 + ... + 25544249.

It is an arithmetic number, because the mean of its divisors is an integer number (43006950).

Almost surely, 2^4572404640 is an apocalyptic number.

4572404640 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 4572404640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8257334400).

4572404640 is an abundant number, since it is smaller than the sum of its proper divisors (11942264160).

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

4572404640 is an equidigital number, since it uses as much as digits as its factorization.

4572404640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288 (or 262 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 36.

The square root of 4572404640 is about 67619.5581174559. The cubic root of 4572404640 is about 1659.7711786015.

The spelling of 4572404640 in words is "four billion, five hundred seventy-two million, four hundred four thousand, six hundred forty".