1628936207420 has 24 divisors (see below), whose sum is σ = 3427331827248. Its totient is φ = 650323856000.

The previous prime is 1628936207309. The next prime is 1628936207447. The reversal of 1628936207420 is 247026398261.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78153506 + ... + 78174345.

It is an arithmetic number, because the mean of its divisors is an integer number (142805492802).

Almost surely, 2^{1628936207420} is an apocalyptic number.

1628936207420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1628936207420 is an abundant number, since it is smaller than the sum of its proper divisors (1798395619828).

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

1628936207420 is a wasteful number, since it uses less digits than its factorization.

1628936207420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156328381 (or 156328379 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 50.

The spelling of 1628936207420 in words is "one trillion, six hundred twenty-eight billion, nine hundred thirty-six million, two hundred seven thousand, four hundred twenty".