1004402203440 has 80 divisors (see below), whose sum is σ = 3166420550400. Its totient is φ = 263300912896.

The previous prime is 1004402203439. The next prime is 1004402203451. The reversal of 1004402203440 is 443022044001.

It is a happy number.

1004402203440 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

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 1004402203440.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35452020 + ... + 35480339.

It is an arithmetic number, because the mean of its divisors is an integer number (39580256880).

Almost surely, 2^{1004402203440} is an apocalyptic number.

1004402203440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1004402203440 is an abundant number, since it is smaller than the sum of its proper divisors (2162018346960).

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

1004402203440 is a wasteful number, since it uses less digits than its factorization.

1004402203440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70932434 (or 70932428 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 1004402203440 its reverse (443022044001), we get a palindrome (1447424247441).

The spelling of 1004402203440 in words is "one trillion, four billion, four hundred two million, two hundred three thousand, four hundred forty".