2765627940 has 48 divisors (see below), whose sum is σ = 7932637440. Its totient is φ = 719512320.

The previous prime is 2765627933. The next prime is 2765627987. The reversal of 2765627940 is 497265672.

It is a self number, because there is not a number n which added to its sum of digits gives 2765627940.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 559660 + ... + 564579.

It is an arithmetic number, because the mean of its divisors is an integer number (165263280).

Almost surely, 2^2765627940 is an apocalyptic number.

2765627940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2765627940 is an abundant number, since it is smaller than the sum of its proper divisors (5167009500).

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

2765627940 is a wasteful number, since it uses less digits than its factorization.

2765627940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1124292 (or 1124290 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 48.

The square root of 2765627940 is about 52589.2378724012. The cubic root of 2765627940 is about 1403.6685993904.

The spelling of 2765627940 in words is "two billion, seven hundred sixty-five million, six hundred twenty-seven thousand, nine hundred forty".