1140037920 has 432 divisors, whose sum is σ = 4598088768. Its totient is φ = 256435200.

The previous prime is 1140037909. The next prime is 1140037957. The reversal of 1140037920 is 297300411.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 7549845 + ... + 7549995.

It is an arithmetic number, because the mean of its divisors is an integer number (10643724).

Almost surely, 2^1140037920 is an apocalyptic number.

1140037920 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 1140037920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2299044384).

1140037920 is an abundant number, since it is smaller than the sum of its proper divisors (3458050848).

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

1140037920 is a wasteful number, since it uses less digits than its factorization.

1140037920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293 (or 275 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 1140037920 is about 33764.4475743348. The cubic root of 1140037920 is about 1044.6555094125.

The spelling of 1140037920 in words is "one billion, one hundred forty million, thirty-seven thousand, nine hundred twenty".