4004402521040 has 20 divisors (see below), whose sum is σ = 9310235861604. Its totient is φ = 1601761008384.

The previous prime is 4004402520977. The next prime is 4004402521043. The reversal of 4004402521040 is 401252044004.

It can be written as a sum of positive squares in 2 ways, for example, as 3074018810944 + 930383710096 = 1753288^2 + 964564^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4004402521043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25027515677 + ... + 25027515836.

Almost surely, 2^{4004402521040} is an apocalyptic number.

4004402521040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4004402521040 is an abundant number, since it is smaller than the sum of its proper divisors (5305833340564).

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

4004402521040 is a wasteful number, since it uses less digits than its factorization.

4004402521040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50055031526 (or 50055031520 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 26.

Adding to 4004402521040 its reverse (401252044004), we get a palindrome (4405654565044).

The spelling of 4004402521040 in words is "four trillion, four billion, four hundred two million, five hundred twenty-one thousand, forty".