2050400052 has 18 divisors (see below), whose sum is σ = 5182955778. Its totient is φ = 683466672.

The previous prime is 2050400041. The next prime is 2050400069. The reversal of 2050400052 is 2500040502.

It can be written as a sum of positive squares in only one way, i.e., 1966567716 + 83832336 = 44346^2 + 9156^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2050399998 and 2050400034.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28477743 + ... + 28477814.

Almost surely, 2^2050400052 is an apocalyptic number.

It is an amenable number.

2050400052 is an abundant number, since it is smaller than the sum of its proper divisors (3132555726).

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

2050400052 is a wasteful number, since it uses less digits than its factorization.

2050400052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56955567 (or 56955562 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

The square root of 2050400052 is about 45281.3433104629. The cubic root of 2050400052 is about 1270.4167214945.

Adding to 2050400052 its reverse (2500040502), we get a palindrome (4550440554).

The spelling of 2050400052 in words is "two billion, fifty million, four hundred thousand, fifty-two".