1421420215044 has 24 divisors (see below), whose sum is σ = 3316667324320. Its totient is φ = 473803858944.

The previous prime is 1421420215043. The next prime is 1421420215057. The reversal of 1421420215044 is 4405120241241.

It is not an unprimeable number, because it can be changed into a prime (1421420215043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2822487 + ... + 3287745.

Almost surely, 2^{1421420215044} is an apocalyptic number.

It is an amenable number.

1421420215044 is an abundant number, since it is smaller than the sum of its proper divisors (1895247109276).

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

1421420215044 is a wasteful number, since it uses less digits than its factorization.

1421420215044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 719859 (or 719857 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 30.

Adding to 1421420215044 its reverse (4405120241241), we get a palindrome (5826540456285).

The spelling of 1421420215044 in words is "one trillion, four hundred twenty-one billion, four hundred twenty million, two hundred fifteen thousand, forty-four".