4257555372 has 192 divisors, whose sum is σ = 12867886080. Its totient is φ = 1207224000.

The previous prime is 4257555371. The next prime is 4257555377. The reversal of 4257555372 is 2735557524.

4257555372 is a `hidden beast` number, since 4 + 2 + 575 + 5 + 5 + 3 + 72 = 666.

Its product of digits (1470000) is a multiple of the sum of its prime factors (560).

It is not an unprimeable number, because it can be changed into a prime (4257555371) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15370098 + ... + 15370374.

It is an arithmetic number, because the mean of its divisors is an integer number (67020240).

Almost surely, 2^4257555372 is an apocalyptic number.

4257555372 is a gapful number since it is divisible by the number (42) 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 4257555372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6433943040).

4257555372 is an abundant number, since it is smaller than the sum of its proper divisors (8610330708).

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

4257555372 is a wasteful number, since it uses less digits than its factorization.

4257555372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560 (or 540 counting only the distinct ones).

The product of its digits is 1470000, while the sum is 45.

The square root of 4257555372 is about 65249.9453792875. The cubic root of 4257555372 is about 1620.7651940653.

It can be divided in two parts, 42575553 and 72, that added together give a square (42575625 = 6525²).

The spelling of 4257555372 in words is "four billion, two hundred fifty-seven million, five hundred fifty-five thousand, three hundred seventy-two".