1421039607552 has 144 divisors (see below), whose sum is σ = 4234345167360. Its totient is φ = 470063692800.

The previous prime is 1421039607469. The next prime is 1421039607577. The reversal of 1421039607552 is 2557069301241.

1421039607552 is a `hidden beast` number, since 1 + 4 + 2 + 1 + 0 + 3 + 96 + 0 + 7 + 552 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a junction number, because it is equal to n+sod(n) for n = 1421039607498 and 1421039607507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120777 + ... + 1690167.

Almost surely, 2^{1421039607552} is an apocalyptic number.

1421039607552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1421039607552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2117172583680).

1421039607552 is an abundant number, since it is smaller than the sum of its proper divisors (2813305559808).

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

1421039607552 is a wasteful number, since it uses less digits than its factorization.

1421039607552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1569547 (or 1569527 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 45.

The spelling of 1421039607552 in words is "one trillion, four hundred twenty-one billion, thirty-nine million, six hundred seven thousand, five hundred fifty-two".