919540048 has 20 divisors (see below), whose sum is σ = 2036124640. Its totient is φ = 394088544.

The previous prime is 919540043. The next prime is 919540067. The reversal of 919540048 is 840045919.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (919540043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4104978 + ... + 4105201.

It is an arithmetic number, because the mean of its divisors is an integer number (101806232).

Almost surely, 2^919540048 is an apocalyptic number.

It is an amenable number.

919540048 is an abundant number, since it is smaller than the sum of its proper divisors (1116584592).

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

919540048 is a wasteful number, since it uses less digits than its factorization.

919540048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8210194 (or 8210188 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 919540048 is about 30323.9187441201. The cubic root of 919540048 is about 972.4267179775.

The spelling of 919540048 in words is "nine hundred nineteen million, five hundred forty thousand, forty-eight".