1550421241004 has 12 divisors (see below), whose sum is σ = 2745926776824. Its totient is φ = 765870733344.

The previous prime is 1550421240997. The next prime is 1550421241027. The reversal of 1550421241004 is 4001421240551.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2334971417 + ... + 2334972080.

It is an arithmetic number, because the mean of its divisors is an integer number (228827231402).

Almost surely, 2^{1550421241004} is an apocalyptic number.

It is an amenable number.

1550421241004 is a deficient number, since it is larger than the sum of its proper divisors (1195505535820).

1550421241004 is a wasteful number, since it uses less digits than its factorization.

1550421241004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4669943584 (or 4669943582 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 29.

Adding to 1550421241004 its reverse (4001421240551), we get a palindrome (5551842481555).

The spelling of 1550421241004 in words is "one trillion, five hundred fifty billion, four hundred twenty-one million, two hundred forty-one thousand, four".