1004101221040 has 40 divisors (see below), whose sum is σ = 2334592795248. Its totient is φ = 401630603520.

The previous prime is 1004101221001. The next prime is 1004101221083. The reversal of 1004101221040 is 401221014001.

It is a happy number.

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 (16).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3720094 + ... + 3980866.

Almost surely, 2^{1004101221040} is an apocalyptic number.

1004101221040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1004101221040 is an abundant number, since it is smaller than the sum of its proper divisors (1330491574208).

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

1004101221040 is a wasteful number, since it uses less digits than its factorization.

1004101221040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308917 (or 308911 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1004101221040 its reverse (401221014001), we get a palindrome (1405322235041).

The spelling of 1004101221040 in words is "one trillion, four billion, one hundred one million, two hundred twenty-one thousand, forty".