2450139966 has 24 divisors (see below), whose sum is σ = 5314499424. Its totient is φ = 815811360.

The previous prime is 2450139949. The next prime is 2450139971. The reversal of 2450139966 is 6699310542.

2450139966 is a `hidden beast` number, since 2 + 450 + 139 + 9 + 66 = 666.

It is a super-3 number, since 3×2450139966³ (a number of 29 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58311 + ... + 91106.

It is an arithmetic number, because the mean of its divisors is an integer number (221437476).

Almost surely, 2^2450139966 is an apocalyptic number.

2450139966 is an abundant number, since it is smaller than the sum of its proper divisors (2864359458).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2450139966 is a wasteful number, since it uses less digits than its factorization.

2450139966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150336 (or 150333 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 45.

The square root of 2450139966 is about 49498.8885329762. Note that the first 3 decimals coincide. The cubic root of 2450139966 is about 1348.1254212534.

The spelling of 2450139966 in words is "two billion, four hundred fifty million, one hundred thirty-nine thousand, nine hundred sixty-six".