2055001630840 has 32 divisors (see below), whose sum is σ = 4630834514880. Its totient is φ = 820741835392.

The previous prime is 2055001630789. The next prime is 2055001630861. The reversal of 2055001630840 is 480361005502.

It is a junction number, because it is equal to n+sod(n) for n = 2055001630796 and 2055001630805.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39311584 + ... + 39363823.

It is an arithmetic number, because the mean of its divisors is an integer number (144713578590).

Almost surely, 2^{2055001630840} is an apocalyptic number.

2055001630840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2055001630840 is an abundant number, since it is smaller than the sum of its proper divisors (2575832884040).

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

2055001630840 is a wasteful number, since it uses less digits than its factorization.

2055001630840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78676071 (or 78676067 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

The spelling of 2055001630840 in words is "two trillion, fifty-five billion, one million, six hundred thirty thousand, eight hundred forty".