1421435354544 has 140 divisors (see below), whose sum is σ = 4169250021456. Its totient is φ = 469211273856.

The previous prime is 1421435354533. The next prime is 1421435354567. The reversal of 1421435354544 is 4454535341241.

1421435354544 is a `hidden beast` number, since 1 + 4 + 2 + 1 + 4 + 3 + 53 + 54 + 544 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 1421435354544.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 609814 + ... + 1792970.

Almost surely, 2^{1421435354544} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1421435354544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2084625010728).

1421435354544 is an abundant number, since it is smaller than the sum of its proper divisors (2747814666912).

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

1421435354544 is a wasteful number, since it uses less digits than its factorization.

1421435354544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1183286 (or 1183265 counting only the distinct ones).

The product of its digits is 2304000, while the sum is 45.

The spelling of 1421435354544 in words is "one trillion, four hundred twenty-one billion, four hundred thirty-five million, three hundred fifty-four thousand, five hundred forty-four".