1629401288928 has 96 divisors (see below), whose sum is σ = 4888764389376. Its totient is φ = 465489842688.

The previous prime is 1629401288833. The next prime is 1629401288951. The reversal of 1629401288928 is 8298821049261.

It is a tau number, because it is divible by the number of its divisors (96).

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, 5922225 + ... + 6191247.

It is an arithmetic number, because the mean of its divisors is an integer number (50924629056).

Almost surely, 2^{1629401288928} is an apocalyptic number.

It is an amenable number.

1629401288928 is an abundant number, since it is smaller than the sum of its proper divisors (3259363100448).

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

1629401288928 is a wasteful number, since it uses less digits than its factorization.

1629401288928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278056 (or 278048 counting only the distinct ones).

The product of its (nonzero) digits is 7962624, while the sum is 60.

The spelling of 1629401288928 in words is "one trillion, six hundred twenty-nine billion, four hundred one million, two hundred eighty-eight thousand, nine hundred twenty-eight".