2402406215 has 8 divisors (see below), whose sum is σ = 3144968208. Its totient is φ = 1747204480.

The previous prime is 2402406211. The next prime is 2402406217. The reversal of 2402406215 is 5126042042.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2402406215 - 2² = 2402406211 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2402406211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21840002 + ... + 21840111.

It is an arithmetic number, because the mean of its divisors is an integer number (393121026).

Almost surely, 2^2402406215 is an apocalyptic number.

2402406215 is a deficient number, since it is larger than the sum of its proper divisors (742561993).

2402406215 is a wasteful number, since it uses less digits than its factorization.

2402406215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43680129.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 2402406215 is about 49014.3470322721. The cubic root of 2402406215 is about 1339.3131950482.

Adding to 2402406215 its reverse (5126042042), we get a palindrome (7528448257).

The spelling of 2402406215 in words is "two billion, four hundred two million, four hundred six thousand, two hundred fifteen".