2421578040 has 96 divisors (see below), whose sum is σ = 8450833680. Its totient is φ = 553502208.

The previous prime is 2421578011. The next prime is 2421578057. The reversal of 2421578040 is 408751242.

It is a junction number, because it is equal to n+sod(n) for n = 2421577992 and 2421578010.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 200037 + ... + 211796.

Almost surely, 2^2421578040 is an apocalyptic number.

2421578040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2421578040 is an abundant number, since it is smaller than the sum of its proper divisors (6029255640).

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

2421578040 is a wasteful number, since it uses less digits than its factorization.

2421578040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411861 (or 411850 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 33.

The square root of 2421578040 is about 49209.5320034645. The cubic root of 2421578040 is about 1342.8664487273.

The spelling of 2421578040 in words is "two billion, four hundred twenty-one million, five hundred seventy-eight thousand, forty".