2406861615 has 32 divisors (see below), whose sum is σ = 4101995520. Its totient is φ = 1200894464.

The previous prime is 2406861557. The next prime is 2406861643. The reversal of 2406861615 is 5161686042.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2406861615 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14326 + ... + 70844.

It is an arithmetic number, because the mean of its divisors is an integer number (128187360).

Almost surely, 2^2406861615 is an apocalyptic number.

2406861615 is a deficient number, since it is larger than the sum of its proper divisors (1695133905).

2406861615 is a wasteful number, since it uses less digits than its factorization.

2406861615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56711.

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 2406861615 is about 49059.7759371157. The cubic root of 2406861615 is about 1340.1406281088.

The spelling of 2406861615 in words is "two billion, four hundred six million, eight hundred sixty-one thousand, six hundred fifteen".