1048123440 has 480 divisors, whose sum is σ = 4591956096. Its totient is φ = 207912960.

The previous prime is 1048123393. The next prime is 1048123451. The reversal of 1048123440 is 443218401.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1113370 + ... + 1114310.

Almost surely, 2^1048123440 is an apocalyptic number.

1048123440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1048123440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2295978048).

1048123440 is an abundant number, since it is smaller than the sum of its proper divisors (3543832656).

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

1048123440 is a wasteful number, since it uses less digits than its factorization.

1048123440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 997 (or 988 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 1048123440 is about 32374.7345935067. The cubic root of 1048123440 is about 1015.7904945494.

The spelling of 1048123440 in words is "one billion, forty-eight million, one hundred twenty-three thousand, four hundred forty".