1940854220 has 48 divisors (see below), whose sum is σ = 4115059200. Its totient is φ = 768891840.

The previous prime is 1940854163. The next prime is 1940854229. The reversal of 1940854220 is 224580491.

It is not an unprimeable number, because it can be changed into a prime (1940854229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1998335 + ... + 1999305.

It is an arithmetic number, because the mean of its divisors is an integer number (85730400).

Almost surely, 2^1940854220 is an apocalyptic number.

1940854220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1940854220 is an abundant number, since it is smaller than the sum of its proper divisors (2174204980).

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

1940854220 is a wasteful number, since it uses less digits than its factorization.

1940854220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1838 (or 1836 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 1940854220 is about 44055.1270569045. The cubic root of 1940854220 is about 1247.3767322241.

The spelling of 1940854220 in words is "one billion, nine hundred forty million, eight hundred fifty-four thousand, two hundred twenty".