2067478838840 has 32 divisors (see below), whose sum is σ = 4682634204960. Its totient is φ = 821514768000.

The previous prime is 2067478838819. The next prime is 2067478838849. The reversal of 2067478838840 is 488388747602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2067478838849) 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, 171142871 + ... + 171154950.

It is an arithmetic number, because the mean of its divisors is an integer number (146332318905).

Almost surely, 2^{2067478838840} is an apocalyptic number.

2067478838840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2067478838840 is an abundant number, since it is smaller than the sum of its proper divisors (2615155366120).

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

2067478838840 is a wasteful number, since it uses less digits than its factorization.

2067478838840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342297983 (or 342297979 counting only the distinct ones).

The product of its (nonzero) digits is 115605504, while the sum is 65.

The spelling of 2067478838840 in words is "two trillion, sixty-seven billion, four hundred seventy-eight million, eight hundred thirty-eight thousand, eight hundred forty".