2005426215 has 32 divisors (see below), whose sum is σ = 3839451840. Its totient is φ = 987285888.

The previous prime is 2005426211. The next prime is 2005426271. The reversal of 2005426215 is 5126245002.

2005426215 is a `hidden beast` number, since 20 + 0 + 5 + 426 + 215 = 666.

It is not a de Polignac number, because 2005426215 - 2² = 2005426211 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2005426211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 569592 + ... + 573101.

It is an arithmetic number, because the mean of its divisors is an integer number (119982870).

Almost surely, 2^2005426215 is an apocalyptic number.

2005426215 is a deficient number, since it is larger than the sum of its proper divisors (1834025625).

2005426215 is a wasteful number, since it uses less digits than its factorization.

2005426215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1142720 (or 1142714 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 2005426215 is about 44781.9853847504. The cubic root of 2005426215 is about 1261.0594547265.

The spelling of 2005426215 in words is "two billion, five million, four hundred twenty-six thousand, two hundred fifteen".