4002132340 has 12 divisors (see below), whose sum is σ = 8404477956. Its totient is φ = 1600852928.

The previous prime is 4002132313. The next prime is 4002132361. The reversal of 4002132340 is 432312004.

It can be written as a sum of positive squares in 2 ways, for example, as 788149476 + 3213982864 = 28074^2 + 56692^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100053289 + ... + 100053328.

It is an arithmetic number, because the mean of its divisors is an integer number (700373163).

Almost surely, 2^4002132340 is an apocalyptic number.

It is an amenable number.

4002132340 is an abundant number, since it is smaller than the sum of its proper divisors (4402345616).

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

4002132340 is a wasteful number, since it uses less digits than its factorization.

4002132340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200106626 (or 200106624 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 4002132340 is about 63262.4085851938. The cubic root of 4002132340 is about 1587.6830750900.

Adding to 4002132340 its reverse (432312004), we get a palindrome (4434444344).

It can be divided in two parts, 40021 and 32340, that added together give a square (72361 = 269²).

The spelling of 4002132340 in words is "four billion, two million, one hundred thirty-two thousand, three hundred forty".