1042443125520 has 40 divisors (see below), whose sum is σ = 3231573689856. Its totient is φ = 277984833408.

The previous prime is 1042443125447. The next prime is 1042443125557. The reversal of 1042443125520 is 255213442401.

1042443125520 is digitally balanced in base 2, because in such base 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 (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2171756272 + ... + 2171756751.

Almost surely, 2^{1042443125520} is an apocalyptic number.

1042443125520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1042443125520 is an abundant number, since it is smaller than the sum of its proper divisors (2189130564336).

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

1042443125520 is a wasteful number, since it uses less digits than its factorization.

1042443125520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4343513039 (or 4343513033 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 33.

Adding to 1042443125520 its reverse (255213442401), we get a palindrome (1297656567921).

The spelling of 1042443125520 in words is "one trillion, forty-two billion, four hundred forty-three million, one hundred twenty-five thousand, five hundred twenty".