1004335220040 has 32 divisors (see below), whose sum is σ = 3013005660480. Its totient is φ = 267822725312.

The previous prime is 1004335220033. The next prime is 1004335220041. The reversal of 1004335220040 is 400225334001.

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

It is not an unprimeable number, because it can be changed into a prime (1004335220041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4184729964 + ... + 4184730203.

It is an arithmetic number, because the mean of its divisors is an integer number (94156426890).

Almost surely, 2^{1004335220040} is an apocalyptic number.

1004335220040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1004335220040 is an abundant number, since it is smaller than the sum of its proper divisors (2008670440440).

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

1004335220040 is a wasteful number, since it uses less digits than its factorization.

1004335220040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8369460181 (or 8369460177 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The spelling of 1004335220040 in words is "one trillion, four billion, three hundred thirty-five million, two hundred twenty thousand, forty".