1000743040 has 64 divisors (see below), whose sum is σ = 2609910720. Its totient is φ = 363904000.

The previous prime is 1000743019. The next prime is 1000743059. The reversal of 1000743040 is 403470001.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 1000742999 and 1000743017.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64036 + ... + 78115.

It is an arithmetic number, because the mean of its divisors is an integer number (40779855).

Almost surely, 2^1000743040 is an apocalyptic number.

1000743040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1000743040 is an abundant number, since it is smaller than the sum of its proper divisors (1609167680).

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

1000743040 is a wasteful number, since it uses less digits than its factorization.

1000743040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142181 (or 142169 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 1000743040 is about 31634.5229140570. The cubic root of 1000743040 is about 1000.2476186799.

The spelling of 1000743040 in words is "one billion, seven hundred forty-three thousand, forty".