2190763520 has 80 divisors (see below), whose sum is σ = 5730289488. Its totient is φ = 796631040.

The previous prime is 2190763511. The next prime is 2190763543. The reversal of 2190763520 is 253670912.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10739 + ... + 67058.

Almost surely, 2^2190763520 is an apocalyptic number.

2190763520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2190763520 is an abundant number, since it is smaller than the sum of its proper divisors (3539525968).

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

2190763520 is an equidigital number, since it uses as much as digits as its factorization.

2190763520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77831 (or 77815 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 2190763520 is about 46805.5928282080. The cubic root of 2190763520 is about 1298.7687592993.

The spelling of 2190763520 in words is "two billion, one hundred ninety million, seven hundred sixty-three thousand, five hundred twenty".