1045720488 has 16 divisors (see below), whose sum is σ = 2614301280. Its totient is φ = 348573488.

The previous prime is 1045720477. The next prime is 1045720519. The reversal of 1045720488 is 8840275401.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21785820 + ... + 21785867.

It is an arithmetic number, because the mean of its divisors is an integer number (163393830).

Almost surely, 2^1045720488 is an apocalyptic number.

It is an amenable number.

1045720488 is an abundant number, since it is smaller than the sum of its proper divisors (1568580792).

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

1045720488 is a wasteful number, since it uses less digits than its factorization.

1045720488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43571696 (or 43571692 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 39.

The square root of 1045720488 is about 32337.6017663648. The cubic root of 1045720488 is about 1015.0136256432.

Adding to 1045720488 its reverse (8840275401), we get a palindrome (9885995889).

The spelling of 1045720488 in words is "one billion, forty-five million, seven hundred twenty thousand, four hundred eighty-eight".