1048647040 has 256 divisors, whose sum is σ = 3106512000. Its totient is φ = 337182720.

The previous prime is 1048647011. The next prime is 1048647043. The reversal of 1048647040 is 407468401.

It is a super-2 number, since 2×1048647040² = 2199321229001523200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 1048646987 and 1048647005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1048647043) 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 31 ways as a sum of consecutive naturals, for example, 3731700 + ... + 3731980.

Almost surely, 2^1048647040 is an apocalyptic number.

1048647040 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 1048647040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1553256000).

1048647040 is an abundant number, since it is smaller than the sum of its proper divisors (2057864960).

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

1048647040 is an equidigital number, since it uses as much as digits as its factorization.

1048647040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338 (or 312 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 1048647040 is about 32382.8201366095. The cubic root of 1048647040 is about 1015.9596156474.

The spelling of 1048647040 in words is "one billion, forty-eight million, six hundred forty-seven thousand, forty".