2050521400 has 48 divisors (see below), whose sum is σ = 4848294600. Its totient is φ = 806302080.

The previous prime is 2050521379. The next prime is 2050521437. The reversal of 2050521400 is 41250502.

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, 75087 + ... + 98686.

Almost surely, 2^2050521400 is an apocalyptic number.

2050521400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2050521400 is an abundant number, since it is smaller than the sum of its proper divisors (2797773200).

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

2050521400 is a wasteful number, since it uses less digits than its factorization.

2050521400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173848 (or 173839 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 2050521400 is about 45282.6832243850. The cubic root of 2050521400 is about 1270.4417831870.

Adding to 2050521400 its reverse (41250502), we get a palindrome (2091771902).

It can be divided in two parts, 20505 and 21400, that added together give a triangular number (41905 = T₂₈₉).

The spelling of 2050521400 in words is "two billion, fifty million, five hundred twenty-one thousand, four hundred".