2002406461 has 8 divisors (see below), whose sum is σ = 2208988800. Its totient is φ = 1799915040.

The previous prime is 2002406431. The next prime is 2002406477. The reversal of 2002406461 is 1646042002.

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

It is not a de Polignac number, because 2002406461 - 2¹¹ = 2002404413 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 (2002406431) 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, 1021701 + ... + 1023658.

It is an arithmetic number, because the mean of its divisors is an integer number (276123600).

Almost surely, 2^2002406461 is an apocalyptic number.

It is an amenable number.

2002406461 is a deficient number, since it is larger than the sum of its proper divisors (206582339).

2002406461 is a wasteful number, since it uses less digits than its factorization.

2002406461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2045459.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 2002406461 is about 44748.2565135224. The cubic root of 2002406461 is about 1260.4261725010.

Adding to 2002406461 its reverse (1646042002), we get a palindrome (3648448463).

The spelling of 2002406461 in words is "two billion, two million, four hundred six thousand, four hundred sixty-one".