4507197840 has 120 divisors (see below), whose sum is σ = 15164922240. Its totient is φ = 1199676672.

The previous prime is 4507197791. The next prime is 4507197847. The reversal of 4507197840 is 487917054.

It is a happy number.

4507197840 is a `hidden beast` number, since 450 + 7 + 197 + 8 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (4507197847) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 399801 + ... + 410919.

It is an arithmetic number, because the mean of its divisors is an integer number (126374352).

Almost surely, 2^4507197840 is an apocalyptic number.

4507197840 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 4507197840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7582461120).

4507197840 is an abundant number, since it is smaller than the sum of its proper divisors (10657724400).

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

4507197840 is a wasteful number, since it uses less digits than its factorization.

4507197840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11701 (or 11692 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 45.

The square root of 4507197840 is about 67135.6674205299. The cubic root of 4507197840 is about 1651.8434053171.

The spelling of 4507197840 in words is "four billion, five hundred seven million, one hundred ninety-seven thousand, eight hundred forty".