3201440002542 has 64 divisors (see below), whose sum is σ = 7139873495040. Its totient is φ = 1063316274048.

The previous prime is 3201440002517. The next prime is 3201440002543. The reversal of 3201440002542 is 2452000441023.

3201440002542 is a `hidden beast` number, since 3 + 2 + 0 + 1 + 4 + 400 + 0 + 254 + 2 = 666.

It is a super-2 number, since 2×3201440002542² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3201440002543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29554083 + ... + 29662209.

It is an arithmetic number, because the mean of its divisors is an integer number (111560523360).

Almost surely, 2^{3201440002542} is an apocalyptic number.

3201440002542 is an abundant number, since it is smaller than the sum of its proper divisors (3938433492498).

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

3201440002542 is a wasteful number, since it uses less digits than its factorization.

3201440002542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110102 (or 110096 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

Adding to 3201440002542 its reverse (2452000441023), we get a palindrome (5653440443565).

The spelling of 3201440002542 in words is "three trillion, two hundred one billion, four hundred forty million, two thousand, five hundred forty-two".