4097520000 has 640 divisors, whose sum is σ = 17334451200. Its totient is φ = 933120000.

The previous prime is 4097519963. The next prime is 4097520001. The reversal of 4097520000 is 257904.

It is a tau number, because it is divible by the number of its divisors (640).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4097520001) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 15119865 + ... + 15120135.

It is an arithmetic number, because the mean of its divisors is an integer number (27085080).

Almost surely, 2^4097520000 is an apocalyptic number.

4097520000 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 4097520000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8667225600).

4097520000 is an abundant number, since it is smaller than the sum of its proper divisors (13236931200).

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

4097520000 is an equidigital number, since it uses as much as digits as its factorization.

4097520000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321 (or 288 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 4097520000 is about 64011.8738985198. The cubic root of 4097520000 is about 1600.1978921898.

Adding to 4097520000 its reverse (257904), we get a palindrome (4097777904).

The spelling of 4097520000 in words is "four billion, ninety-seven million, five hundred twenty thousand".