4452651720 has 384 divisors, whose sum is σ = 16407705600. Its totient is φ = 1037836800.

The previous prime is 4452651703. The next prime is 4452651727. The reversal of 4452651720 is 271562544.

It is a happy number.

It is a super-2 number, since 2×4452651720² = 39652214679237916800, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (4452651727) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 13451955 + ... + 13452285.

It is an arithmetic number, because the mean of its divisors is an integer number (42728400).

Almost surely, 2^4452651720 is an apocalyptic number.

4452651720 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 4452651720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8203852800).

4452651720 is an abundant number, since it is smaller than the sum of its proper divisors (11955053880).

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

4452651720 is a wasteful number, since it uses less digits than its factorization.

4452651720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481 (or 474 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The square root of 4452651720 is about 66728.1928423062. The cubic root of 4452651720 is about 1645.1528046696.

It can be divided in two parts, 445265 and 1720, that added together give a triangular number (446985 = T₉₄₅).

The spelling of 4452651720 in words is "four billion, four hundred fifty-two million, six hundred fifty-one thousand, seven hundred twenty".