2671357780 has 48 divisors (see below), whose sum is σ = 6904437120. Its totient is φ = 845440128.

The previous prime is 2671357771. The next prime is 2671357789. The reversal of 2671357780 is 877531762.

It is an interprime number because it is at equal distance from previous prime (2671357771) and next prime (2671357789).

It is a self number, because there is not a number n which added to its sum of digits gives 2671357780.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2671357789) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 732070 + ... + 735709.

It is an arithmetic number, because the mean of its divisors is an integer number (143842440).

Almost surely, 2^2671357780 is an apocalyptic number.

2671357780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2671357780 is an abundant number, since it is smaller than the sum of its proper divisors (4233079340).

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

2671357780 is a wasteful number, since it uses less digits than its factorization.

2671357780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1467808 (or 1467806 counting only the distinct ones).

The product of its (nonzero) digits is 493920, while the sum is 46.

The square root of 2671357780 is about 51685.1795005106. The cubic root of 2671357780 is about 1387.5352314188.

The spelling of 2671357780 in words is "two billion, six hundred seventy-one million, three hundred fifty-seven thousand, seven hundred eighty".