1042220213040 has 40 divisors (see below), whose sum is σ = 3230882661168. Its totient is φ = 277925390080.

The previous prime is 1042220213011. The next prime is 1042220213053. The reversal of 1042220213040 is 403120222401.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 1042220212998 and 1042220213016.

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, 2171291871 + ... + 2171292350.

Almost surely, 2^{1042220213040} is an apocalyptic number.

1042220213040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1042220213040 is an abundant number, since it is smaller than the sum of its proper divisors (2188662448128).

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

1042220213040 is a wasteful number, since it uses less digits than its factorization.

1042220213040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4342584237 (or 4342584231 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 1042220213040 its reverse (403120222401), we get a palindrome (1445340435441).

The spelling of 1042220213040 in words is "one trillion, forty-two billion, two hundred twenty million, two hundred thirteen thousand, forty".