1628901376404 has 48 divisors (see below), whose sum is σ = 3848143844160. Its totient is φ = 536204796160.

The previous prime is 1628901376387. The next prime is 1628901376409. The reversal of 1628901376404 is 4046731098261.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1628901376409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2096242 + ... + 2766230.

It is an arithmetic number, because the mean of its divisors is an integer number (80169663420).

Almost surely, 2^{1628901376404} is an apocalyptic number.

It is an amenable number.

1628901376404 is an abundant number, since it is smaller than the sum of its proper divisors (2219242467756).

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

1628901376404 is a wasteful number, since it uses less digits than its factorization.

1628901376404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672520 (or 672518 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 51.

The spelling of 1628901376404 in words is "one trillion, six hundred twenty-eight billion, nine hundred one million, three hundred seventy-six thousand, four hundred four".