2043420243402 has 32 divisors (see below), whose sum is σ = 4197751535232. Its totient is φ = 662658905664.

The previous prime is 2043420243349. The next prime is 2043420243421.

2043420243402 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×2043420243402² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2043420243402.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1567803 + ... + 2558289.

It is an arithmetic number, because the mean of its divisors is an integer number (131179735476).

Almost surely, 2^{2043420243402} is an apocalyptic number.

2043420243402 is an abundant number, since it is smaller than the sum of its proper divisors (2154331291830).

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

2043420243402 is a wasteful number, since it uses less digits than its factorization.

2043420243402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 999822.

The product of its (nonzero) digits is 36864, while the sum is 30.

It can be divided in two parts, 2043420 and 243402, that added together give a palindrome (2286822).

The spelling of 2043420243402 in words is "two trillion, forty-three billion, four hundred twenty million, two hundred forty-three thousand, four hundred two".