2420240021309 has 64 divisors (see below), whose sum is σ = 2841283775232. Its totient is φ = 2037279129600.

The previous prime is 2420240021291. The next prime is 2420240021351. The reversal of 2420240021309 is 9031200420242.

It is a happy number.

It is not a de Polignac number, because 2420240021309 - 2⁸ = 2420240021053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2420240021399) 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 63 ways as a sum of consecutive naturals, for example, 2747150549 + ... + 2747151429.

It is an arithmetic number, because the mean of its divisors is an integer number (44395058988).

Almost surely, 2^{2420240021309} is an apocalyptic number.

It is an amenable number.

2420240021309 is a deficient number, since it is larger than the sum of its proper divisors (421043753923).

2420240021309 is a wasteful number, since it uses less digits than its factorization.

2420240021309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1886.

The product of its (nonzero) digits is 6912, while the sum is 29.

The spelling of 2420240021309 in words is "two trillion, four hundred twenty billion, two hundred forty million, twenty-one thousand, three hundred nine".