2320040421 has 32 divisors (see below), whose sum is σ = 3502310400. Its totient is φ = 1517454000.

The previous prime is 2320040419. The next prime is 2320040477. The reversal of 2320040421 is 1240400232.

2320040421 is a `hidden beast` number, since 2 + 3 + 200 + 40 + 421 = 666.

It is not a de Polignac number, because 2320040421 - 2¹ = 2320040419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2320040394 and 2320040403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2320040221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1029546 + ... + 1031796.

It is an arithmetic number, because the mean of its divisors is an integer number (109447200).

Almost surely, 2^2320040421 is an apocalyptic number.

It is an amenable number.

2320040421 is a deficient number, since it is larger than the sum of its proper divisors (1182269979).

2320040421 is a wasteful number, since it uses less digits than its factorization.

2320040421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2966 (or 2960 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 2320040421 is about 48166.7979110092. The cubic root of 2320040421 is about 1323.8288778043.

Adding to 2320040421 its reverse (1240400232), we get a palindrome (3560440653).

The spelling of 2320040421 in words is "two billion, three hundred twenty million, forty thousand, four hundred twenty-one".