2402021042430 has 64 divisors (see below), whose sum is σ = 5889233737728. Its totient is φ = 626726580480.

The previous prime is 2402021042359. The next prime is 2402021042441. The reversal of 2402021042430 is 342401202042.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2402021042430.

It is a congruent number.

It is an unprimeable number.

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, 4592415 + ... + 5088645.

It is an arithmetic number, because the mean of its divisors is an integer number (92019277152).

Almost surely, 2^{2402021042430} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2402021042430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2944616868864).

2402021042430 is an abundant number, since it is smaller than the sum of its proper divisors (3487212695298).

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

2402021042430 is a wasteful number, since it uses less digits than its factorization.

2402021042430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499721.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 2402021042430 its reverse (342401202042), we get a palindrome (2744422244472).

The spelling of 2402021042430 in words is "two trillion, four hundred two billion, twenty-one million, forty-two thousand, four hundred thirty".