1627129944920 has 64 divisors (see below), whose sum is σ = 3705512832000. Its totient is φ = 642947651968.

The previous prime is 1627129944893. The next prime is 1627129944929. The reversal of 1627129944920 is 294499217261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1627129944929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49381811 + ... + 49414749.

It is an arithmetic number, because the mean of its divisors is an integer number (57898638000).

Almost surely, 2^{1627129944920} is an apocalyptic number.

1627129944920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1627129944920 is an abundant number, since it is smaller than the sum of its proper divisors (2078382887080).

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

1627129944920 is a wasteful number, since it uses less digits than its factorization.

1627129944920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47912 (or 47908 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 56.

The spelling of 1627129944920 in words is "one trillion, six hundred twenty-seven billion, one hundred twenty-nine million, nine hundred forty-four thousand, nine hundred twenty".