1401260449221 has 96 divisors (see below), whose sum is σ = 2227111976960. Its totient is φ = 845830263168.

The previous prime is 1401260449177. The next prime is 1401260449229. The reversal of 1401260449221 is 1229440621041.

1401260449221 is a `hidden beast` number, since 1 + 4 + 0 + 1 + 2 + 604 + 49 + 2 + 2 + 1 = 666.

It is not a de Polignac number, because 1401260449221 - 2¹⁰ = 1401260448197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401260449229) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 155570100 + ... + 155579106.

Almost surely, 2^{1401260449221} is an apocalyptic number.

It is an amenable number.

1401260449221 is a deficient number, since it is larger than the sum of its proper divisors (825851527739).

1401260449221 is a wasteful number, since it uses less digits than its factorization.

1401260449221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9503 (or 9500 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The spelling of 1401260449221 in words is "one trillion, four hundred one billion, two hundred sixty million, four hundred forty-nine thousand, two hundred twenty-one".