2077120840 has 32 divisors (see below), whose sum is σ = 4675164480. Its totient is φ = 830556352.

The previous prime is 2077120819. The next prime is 2077120847. The reversal of 2077120840 is 480217702.

It is not an unprimeable number, because it can be changed into a prime (2077120847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133719 + ... + 148441.

It is an arithmetic number, because the mean of its divisors is an integer number (146098890).

Almost surely, 2^2077120840 is an apocalyptic number.

2077120840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2077120840 is an abundant number, since it is smaller than the sum of its proper divisors (2598043640).

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

2077120840 is a wasteful number, since it uses less digits than its factorization.

2077120840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18261 (or 18257 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 31.

The square root of 2077120840 is about 45575.4411936955. The cubic root of 2077120840 is about 1275.9116053977.

The spelling of 2077120840 in words is "two billion, seventy-seven million, one hundred twenty thousand, eight hundred forty".