1940130288 has 120 divisors (see below), whose sum is σ = 5621882240. Its totient is φ = 623946240.

The previous prime is 1940130277. The next prime is 1940130307. The reversal of 1940130288 is 8820310491.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2736078 + ... + 2736786.

Almost surely, 2^1940130288 is an apocalyptic number.

1940130288 is a gapful number since it is divisible by the number (18) 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 1940130288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2810941120).

1940130288 is an abundant number, since it is smaller than the sum of its proper divisors (3681751952).

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

1940130288 is a wasteful number, since it uses less digits than its factorization.

1940130288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1367 (or 1358 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 1940130288 is about 44046.9100845905. The cubic root of 1940130288 is about 1247.2216238495.

The spelling of 1940130288 in words is "one billion, nine hundred forty million, one hundred thirty thousand, two hundred eighty-eight".