1047648740 has 12 divisors (see below), whose sum is σ = 2200062396. Its totient is φ = 419059488.

The previous prime is 1047648739. The next prime is 1047648743. The reversal of 1047648740 is 478467401.

It can be written as a sum of positive squares in 2 ways, for example, as 194658304 + 852990436 = 13952^2 + 29206^2 .

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1047648743) 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, 26191199 + ... + 26191238.

It is an arithmetic number, because the mean of its divisors is an integer number (183338533).

Almost surely, 2^1047648740 is an apocalyptic number.

1047648740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1047648740 is an abundant number, since it is smaller than the sum of its proper divisors (1152413656).

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

1047648740 is a wasteful number, since it uses less digits than its factorization.

1047648740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52382446 (or 52382444 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 41.

The square root of 1047648740 is about 32367.4024289871. The cubic root of 1047648740 is about 1015.6371193063.

The spelling of 1047648740 in words is "one billion, forty-seven million, six hundred forty-eight thousand, seven hundred forty".