1047504440 has 16 divisors (see below), whose sum is σ = 2356885080. Its totient is φ = 419001760.

The previous prime is 1047504421. The next prime is 1047504443. The reversal of 1047504440 is 444057401.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1047504443) 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, 13093766 + ... + 13093845.

Almost surely, 2^1047504440 is an apocalyptic number.

1047504440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1047504440 is an abundant number, since it is smaller than the sum of its proper divisors (1309380640).

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

1047504440 is a wasteful number, since it uses less digits than its factorization.

1047504440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26187622 (or 26187618 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 29.

The square root of 1047504440 is about 32365.1732576855. The cubic root of 1047504440 is about 1015.5904868935.

The spelling of 1047504440 in words is "one billion, forty-seven million, five hundred four thousand, four hundred forty".