2408042521 has 16 divisors (see below), whose sum is σ = 2587368960. Its totient is φ = 2236066560.

The previous prime is 2408042489. The next prime is 2408042551. The reversal of 2408042521 is 1252408042.

It is a cyclic number.

It is not a de Polignac number, because 2408042521 - 2⁵ = 2408042489 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2408042521.

It is not an unprimeable number, because it can be changed into a prime (2408042551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138321 + ... + 154753.

It is an arithmetic number, because the mean of its divisors is an integer number (161710560).

Almost surely, 2^2408042521 is an apocalyptic number.

It is an amenable number.

2408042521 is a deficient number, since it is larger than the sum of its proper divisors (179326439).

2408042521 is a wasteful number, since it uses less digits than its factorization.

2408042521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16656.

The product of its (nonzero) digits is 5120, while the sum is 28.

The square root of 2408042521 is about 49071.8098402739. The cubic root of 2408042521 is about 1340.3597684398.

The spelling of 2408042521 in words is "two billion, four hundred eight million, forty-two thousand, five hundred twenty-one".