2611402406 has 8 divisors (see below), whose sum is σ = 3917584440. Its totient is φ = 1305540928.

The previous prime is 2611402403. The next prime is 2611402421. The reversal of 2611402406 is 6042041162.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2611402403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58616 + ... + 93051.

It is an arithmetic number, because the mean of its divisors is an integer number (489698055).

Almost surely, 2^2611402406 is an apocalyptic number.

2611402406 is a deficient number, since it is larger than the sum of its proper divisors (1306182034).

2611402406 is a wasteful number, since it uses less digits than its factorization.

2611402406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160278.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 2611402406 is about 51101.8826071995. The cubic root of 2611402406 is about 1377.0760758878.

Adding to 2611402406 its reverse (6042041162), we get a palindrome (8653443568).

The spelling of 2611402406 in words is "two billion, six hundred eleven million, four hundred two thousand, four hundred six".