2421140646 has 32 divisors (see below), whose sum is σ = 5159812320. Its totient is φ = 754730496.

The previous prime is 2421140633. The next prime is 2421140653. The reversal of 2421140646 is 6460411242.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59581 + ... + 91608.

It is an arithmetic number, because the mean of its divisors is an integer number (161244135).

Almost surely, 2^2421140646 is an apocalyptic number.

2421140646 is an abundant number, since it is smaller than the sum of its proper divisors (2738671674).

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

2421140646 is a wasteful number, since it uses less digits than its factorization.

2421140646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151368.

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 2421140646 is about 49205.0876028079. The cubic root of 2421140646 is about 1342.7855927613.

Adding to 2421140646 its reverse (6460411242), we get a palindrome (8881551888).

The spelling of 2421140646 in words is "two billion, four hundred twenty-one million, one hundred forty thousand, six hundred forty-six".