2054381436 has 36 divisors (see below), whose sum is σ = 5418805392. Its totient is φ = 655019904.

The previous prime is 2054381411. The next prime is 2054381509. The reversal of 2054381436 is 6341834502.

2054381436 is a `hidden beast` number, since 2 + 0 + 543 + 81 + 4 + 36 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 2054381436.

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, 1239741 + ... + 1241396.

It is an arithmetic number, because the mean of its divisors is an integer number (150522372).

Almost surely, 2^2054381436 is an apocalyptic number.

It is an amenable number.

2054381436 is an abundant number, since it is smaller than the sum of its proper divisors (3364423956).

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

2054381436 is a wasteful number, since it uses less digits than its factorization.

2054381436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2481170 (or 2481165 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 2054381436 is about 45325.2847315932. The cubic root of 2054381436 is about 1271.2384711351.

The spelling of 2054381436 in words is "two billion, fifty-four million, three hundred eighty-one thousand, four hundred thirty-six".