1641931840048 has 60 divisors (see below), whose sum is σ = 3306456272808. Its totient is φ = 789834088960.

The previous prime is 1641931839967. The next prime is 1641931840117. The reversal of 1641931840048 is 8400481391461.

It is a super-2 number, since 2×1641931840048² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1641931839983 and 1641931840010.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3564015 + ... + 3998257.

Almost surely, 2^{1641931840048} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1641931840048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1653228136404).

1641931840048 is an abundant number, since it is smaller than the sum of its proper divisors (1664524432760).

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

1641931840048 is a wasteful number, since it uses less digits than its factorization.

1641931840048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434590 (or 434555 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 49.

The spelling of 1641931840048 in words is "one trillion, six hundred forty-one billion, nine hundred thirty-one million, eight hundred forty thousand, forty-eight".