1000938240 has 432 divisors, whose sum is σ = 3874197600. Its totient is φ = 237109248.

The previous prime is 1000938227. The next prime is 1000938283. The reversal of 1000938240 is 428390001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3720826 + ... + 3721094.

It is an arithmetic number, because the mean of its divisors is an integer number (8968050).

Almost surely, 2^1000938240 is an apocalyptic number.

1000938240 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 1000938240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1937098800).

1000938240 is an abundant number, since it is smaller than the sum of its proper divisors (2873259360).

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

1000938240 is a wasteful number, since it uses less digits than its factorization.

1000938240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332 (or 315 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 1000938240 is about 31637.6080006059. The cubic root of 1000938240 is about 1000.3126489071.

The spelling of 1000938240 in words is "one billion, nine hundred thirty-eight thousand, two hundred forty".