1940022504 has 144 divisors (see below), whose sum is σ = 6176160900. Its totient is φ = 548481024.

The previous prime is 1940022463. The next prime is 1940022509. The reversal of 1940022504 is 4052200491.

1940022504 is a `hidden beast` number, since 1 + 9 + 400 + 2 + 250 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1889640900 + 50381604 = 43470^2 + 7098^2 .

It is a super-3 number, since 3×1940022504³ (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1940022509) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 339382 + ... + 345050.

Almost surely, 2^1940022504 is an apocalyptic number.

1940022504 is a gapful number since it is divisible by the number (14) 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 1940022504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3088080450).

1940022504 is an abundant number, since it is smaller than the sum of its proper divisors (4236138396).

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

1940022504 is a wasteful number, since it uses less digits than its factorization.

1940022504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5792 (or 5778 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 1940022504 is about 44045.6865538500. The cubic root of 1940022504 is about 1247.1985269428.

Adding to 1940022504 its reverse (4052200491), we get a palindrome (5992222995).

The spelling of 1940022504 in words is "one billion, nine hundred forty million, twenty-two thousand, five hundred four".