1629420030744 has 32 divisors (see below), whose sum is σ = 4443872811840. Its totient is φ = 493763645600.

The previous prime is 1629420030743. The next prime is 1629420030767. The reversal of 1629420030744 is 4470300249261.

It is a junction number, because it is equal to n+sod(n) for n = 1629420030696 and 1629420030705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1629420030743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3086022522 + ... + 3086023049.

It is an arithmetic number, because the mean of its divisors is an integer number (138871025370).

Almost surely, 2^{1629420030744} is an apocalyptic number.

It is an amenable number.

1629420030744 is an abundant number, since it is smaller than the sum of its proper divisors (2814452781096).

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

1629420030744 is a wasteful number, since it uses less digits than its factorization.

1629420030744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6172045591 (or 6172045587 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 42.

The spelling of 1629420030744 in words is "one trillion, six hundred twenty-nine billion, four hundred twenty million, thirty thousand, seven hundred forty-four".