1940543120 has 160 divisors (see below), whose sum is σ = 4994680320. Its totient is φ = 698593280.

The previous prime is 1940542993. The next prime is 1940543141. The reversal of 1940543120 is 213450491.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2187317 + ... + 2188203.

It is an arithmetic number, because the mean of its divisors is an integer number (31216752).

Almost surely, 2^1940543120 is an apocalyptic number.

1940543120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1940543120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2497340160).

1940543120 is an abundant number, since it is smaller than the sum of its proper divisors (3054137200).

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

1940543120 is a wasteful number, since it uses less digits than its factorization.

1940543120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 993 (or 987 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 1940543120 is about 44051.5961118323. The cubic root of 1940543120 is about 1247.3100812218.

The spelling of 1940543120 in words is "one billion, nine hundred forty million, five hundred forty-three thousand, one hundred twenty".