2050045400 has 48 divisors (see below), whose sum is σ = 5133004800. Its totient is φ = 756938880.

The previous prime is 2050045391. The next prime is 2050045427. The reversal of 2050045400 is 45400502.

It is a happy number.

It is a super-2 number, since 2×2050045400² = 8405372284122320000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 391640 + ... + 396839.

It is an arithmetic number, because the mean of its divisors is an integer number (106937600).

Almost surely, 2^2050045400 is an apocalyptic number.

2050045400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2050045400 is an abundant number, since it is smaller than the sum of its proper divisors (3082959400).

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

2050045400 is a wasteful number, since it uses less digits than its factorization.

2050045400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788508 (or 788499 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 2050045400 is about 45277.4270470397. The cubic root of 2050045400 is about 1270.3434704541.

Adding to 2050045400 its reverse (45400502), we get a palindrome (2095445902).

The spelling of 2050045400 in words is "two billion, fifty million, forty-five thousand, four hundred".