4002342500 has 90 divisors (see below), whose sum is σ = 9478367514. Its totient is φ = 1477632000.

The previous prime is 4002342479. The next prime is 4002342527. The reversal of 4002342500 is 52432004.

It can be written as a sum of positive squares in 15 ways, for example, as 3999044644 + 3297856 = 63238^2 + 1816^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 417764 + ... + 427236.

Almost surely, 2^4002342500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4002342500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4739183757).

4002342500 is an abundant number, since it is smaller than the sum of its proper divisors (5476025014).

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

4002342500 is a wasteful number, since it uses less digits than its factorization.

4002342500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9523 (or 9493 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 4002342500 is about 63264.0695813983. The cubic root of 4002342500 is about 1587.7108654116.

Adding to 4002342500 its reverse (52432004), we get a palindrome (4054774504).

The spelling of 4002342500 in words is "four billion, two million, three hundred forty-two thousand, five hundred".