2021404340302 has 16 divisors (see below), whose sum is σ = 3124027498320. Its totient is φ = 980490377152.

The previous prime is 2021404340297. The next prime is 2021404340303. The reversal of 2021404340302 is 2030434041202.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021404340303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107124568 + ... + 107143435.

It is an arithmetic number, because the mean of its divisors is an integer number (195251718645).

Almost surely, 2^{2021404340302} is an apocalyptic number.

2021404340302 is a deficient number, since it is larger than the sum of its proper divisors (1102623158018).

2021404340302 is a wasteful number, since it uses less digits than its factorization.

2021404340302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214268147.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 2021404340302 its reverse (2030434041202), we get a palindrome (4051838381504).

The spelling of 2021404340302 in words is "two trillion, twenty-one billion, four hundred four million, three hundred forty thousand, three hundred two".