2061767140 has 48 divisors (see below), whose sum is σ = 4825699200. Its totient is φ = 735340032.

The previous prime is 2061767129. The next prime is 2061767143. The reversal of 2061767140 is 417671602.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 2061767096 and 2061767105.

It is not an unprimeable number, because it can be changed into a prime (2061767143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153120 + ... + 166039.

It is an arithmetic number, because the mean of its divisors is an integer number (100535400).

Almost surely, 2^2061767140 is an apocalyptic number.

2061767140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2061767140 is an abundant number, since it is smaller than the sum of its proper divisors (2763932060).

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

2061767140 is a wasteful number, since it uses less digits than its factorization.

2061767140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319204 (or 319202 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 2061767140 is about 45406.6860715468. The cubic root of 2061767140 is about 1272.7600584226.

The spelling of 2061767140 in words is "two billion, sixty-one million, seven hundred sixty-seven thousand, one hundred forty".