2050511400 has 144 divisors (see below), whose sum is σ = 7870106400. Its totient is φ = 468685440.

The previous prime is 2050511383. The next prime is 2050511413. The reversal of 2050511400 is 41150502.

2050511400 is a `hidden beast` number, since 20 + 505 + 1 + 140 + 0 = 666.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 68770 + ... + 93969.

Almost surely, 2^2050511400 is an apocalyptic number.

2050511400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2050511400 is an abundant number, since it is smaller than the sum of its proper divisors (5819595000).

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

2050511400 is a wasteful number, since it uses less digits than its factorization.

2050511400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162768 (or 162756 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 2050511400 is about 45282.5728067653. The cubic root of 2050511400 is about 1270.4397179499.

Adding to 2050511400 its reverse (41150502), we get a palindrome (2091661902).

The spelling of 2050511400 in words is "two billion, fifty million, five hundred eleven thousand, four hundred".