1202004421040 has 40 divisors (see below), whose sum is σ = 2794775743440. Its totient is φ = 480781903616.

The previous prime is 1202004421027. The next prime is 1202004421061. The reversal of 1202004421040 is 401244002021.

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

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 1720547 + ... + 2316093.

It is an arithmetic number, because the mean of its divisors is an integer number (69869393586).

Almost surely, 2^{1202004421040} is an apocalyptic number.

1202004421040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1202004421040 is an abundant number, since it is smaller than the sum of its proper divisors (1592771322400).

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

1202004421040 is a wasteful number, since it uses less digits than its factorization.

1202004421040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620789 (or 620783 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 1202004421040 its reverse (401244002021), we get a palindrome (1603248423061).

The spelling of 1202004421040 in words is "one trillion, two hundred two billion, four million, four hundred twenty-one thousand, forty".