2190740448 has 48 divisors (see below), whose sum is σ = 6193058256. Its totient is φ = 674073600.

The previous prime is 2190740443. The next prime is 2190740459. The reversal of 2190740448 is 8440470912.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2190740443) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 876453 + ... + 878948.

It is an arithmetic number, because the mean of its divisors is an integer number (129022047).

Almost surely, 2^2190740448 is an apocalyptic number.

It is an amenable number.

2190740448 is an abundant number, since it is smaller than the sum of its proper divisors (4002317808).

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

2190740448 is a wasteful number, since it uses less digits than its factorization.

2190740448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1755427 (or 1755419 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 2190740448 is about 46805.3463612865. The cubic root of 2190740448 is about 1298.7641999607.

The spelling of 2190740448 in words is "two billion, one hundred ninety million, seven hundred forty thousand, four hundred forty-eight".