1936497440 has 24 divisors (see below), whose sum is σ = 4574975580. Its totient is φ = 774598912.

The previous prime is 1936497439. The next prime is 1936497463. The reversal of 1936497440 is 447946391.

It can be written as a sum of positive squares in 2 ways, for example, as 1901308816 + 35188624 = 43604^2 + 5932^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6051395 + ... + 6051714.

Almost surely, 2^1936497440 is an apocalyptic number.

1936497440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1936497440 is an abundant number, since it is smaller than the sum of its proper divisors (2638478140).

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

1936497440 is a wasteful number, since it uses less digits than its factorization.

1936497440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12103124 (or 12103116 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 47.

The square root of 1936497440 is about 44005.6523642134. The cubic root of 1936497440 is about 1246.4426731440.

The spelling of 1936497440 in words is "one billion, nine hundred thirty-six million, four hundred ninety-seven thousand, four hundred forty".