1926731040 has 384 divisors, whose sum is σ = 7105335552. Its totient is φ = 434503680.

The previous prime is 1926730997. The next prime is 1926731077. The reversal of 1926731040 is 401376291.

It is a junction number, because it is equal to n+sod(n) for n = 1926730992 and 1926731010.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4349059 + ... + 4349501.

It is an arithmetic number, because the mean of its divisors is an integer number (18503478).

Almost surely, 2^1926731040 is an apocalyptic number.

1926731040 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 1926731040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3552667776).

1926731040 is an abundant number, since it is smaller than the sum of its proper divisors (5178604512).

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

1926731040 is a wasteful number, since it uses less digits than its factorization.

1926731040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532 (or 524 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 1926731040 is about 43894.5445357393. The cubic root of 1926731040 is about 1244.3437324487.

The spelling of 1926731040 in words is "one billion, nine hundred twenty-six million, seven hundred thirty-one thousand, forty".