2045406411 has 40 divisors (see below), whose sum is σ = 3261772800. Its totient is φ = 1273572720.

The previous prime is 2045406409. The next prime is 2045406431. The reversal of 2045406411 is 1146045402.

2045406411 is a `hidden beast` number, since 204 + 5 + 40 + 6 + 411 = 666.

It is not a de Polignac number, because 2045406411 - 2¹ = 2045406409 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2045406431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 99910 + ... + 118628.

It is an arithmetic number, because the mean of its divisors is an integer number (81544320).

Almost surely, 2^2045406411 is an apocalyptic number.

2045406411 is a deficient number, since it is larger than the sum of its proper divisors (1216366389).

2045406411 is a wasteful number, since it uses less digits than its factorization.

2045406411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18821 (or 18812 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 2045406411 is about 45226.1695371165. The cubic root of 2045406411 is about 1269.3845388294.

The spelling of 2045406411 in words is "two billion, forty-five million, four hundred six thousand, four hundred eleven".