2421120040 has 32 divisors (see below), whose sum is σ = 5528832480. Its totient is φ = 953992512.

The previous prime is 2421120019. The next prime is 2421120077. The reversal of 2421120040 is 400211242.

It is a junction number, because it is equal to n+sod(n) for n = 2421119996 and 2421120023.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 449022 + ... + 454381.

It is an arithmetic number, because the mean of its divisors is an integer number (172776015).

Almost surely, 2^2421120040 is an apocalyptic number.

2421120040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2421120040 is an abundant number, since it is smaller than the sum of its proper divisors (3107712440).

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

2421120040 is a wasteful number, since it uses less digits than its factorization.

2421120040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 903481 (or 903477 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 2421120040 is about 49204.8782134455. The cubic root of 2421120040 is about 1342.7817833284.

Adding to 2421120040 its reverse (400211242), we get a palindrome (2821331282).

The spelling of 2421120040 in words is "two billion, four hundred twenty-one million, one hundred twenty thousand, forty".