2421014021340 has 48 divisors (see below), whose sum is σ = 6827607911040. Its totient is φ = 640959105600.

The previous prime is 2421014021339. The next prime is 2421014021357. The reversal of 2421014021340 is 431204101242.

It is a super-2 number, since 2×2421014021340² (a number of 26 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 2421014021340.

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 15 ways as a sum of consecutive naturals, for example, 145136386 + ... + 145153065.

It is an arithmetic number, because the mean of its divisors is an integer number (142241831480).

Almost surely, 2^{2421014021340} is an apocalyptic number.

2421014021340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2421014021340 is an abundant number, since it is smaller than the sum of its proper divisors (4406593889700).

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

2421014021340 is a wasteful number, since it uses less digits than its factorization.

2421014021340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290289602 (or 290289600 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 2421014021340 its reverse (431204101242), we get a palindrome (2852218122582).

The spelling of 2421014021340 in words is "two trillion, four hundred twenty-one billion, fourteen million, twenty-one thousand, three hundred forty".