2067377640 has 32 divisors (see below), whose sum is σ = 6202133280. Its totient is φ = 551300672.

The previous prime is 2067377639. The next prime is 2067377651. The reversal of 2067377640 is 467737602.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2067377592 and 2067377601.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 8613954 + ... + 8614193.

It is an arithmetic number, because the mean of its divisors is an integer number (193816665).

Almost surely, 2^2067377640 is an apocalyptic number.

2067377640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2067377640 is an abundant number, since it is smaller than the sum of its proper divisors (4134755640).

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

2067377640 is a wasteful number, since it uses less digits than its factorization.

2067377640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17228161 (or 17228157 counting only the distinct ones).

The product of its (nonzero) digits is 296352, while the sum is 42.

The square root of 2067377640 is about 45468.4246483205. The cubic root of 2067377640 is about 1273.9134949935.

The spelling of 2067377640 in words is "two billion, sixty-seven million, three hundred seventy-seven thousand, six hundred forty".