1041008640 has 384 divisors, whose sum is σ = 3924910080. Its totient is φ = 230621184.

The previous prime is 1041008627. The next prime is 1041008677. The reversal of 1041008640 is 468001401.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1041008640.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10106829 + ... + 10106931.

It is an arithmetic number, because the mean of its divisors is an integer number (10221120).

Almost surely, 2^1041008640 is an apocalyptic number.

1041008640 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 1041008640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1962455040).

1041008640 is an abundant number, since it is smaller than the sum of its proper divisors (2883901440).

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

1041008640 is a wasteful number, since it uses less digits than its factorization.

1041008640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187 (or 167 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 1041008640 is about 32264.6655026827. The cubic root of 1041008640 is about 1013.4868342409.

The spelling of 1041008640 in words is "one billion, forty-one million, eight thousand, six hundred forty".