4002642532122 has 24 divisors (see below), whose sum is σ = 8668444775904. Its totient is φ = 1231582317264.

The previous prime is 4002642532111. The next prime is 4002642532123. The reversal of 4002642532122 is 2212352462004.

It is a super-2 number, since 2×4002642532122² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4002642532123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1973688598 + ... + 1973690625.

It is an arithmetic number, because the mean of its divisors is an integer number (361185198996).

Almost surely, 2^{4002642532122} is an apocalyptic number.

4002642532122 is an abundant number, since it is smaller than the sum of its proper divisors (4665802243782).

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

4002642532122 is a wasteful number, since it uses less digits than its factorization.

4002642532122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3947379254 (or 3947379241 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 33.

Adding to 4002642532122 its reverse (2212352462004), we get a palindrome (6214994994126).

The spelling of 4002642532122 in words is "four trillion, two billion, six hundred forty-two million, five hundred thirty-two thousand, one hundred twenty-two".