1047814240 has 192 divisors, whose sum is σ = 2821754880. Its totient is φ = 364349440.

The previous prime is 1047814231. The next prime is 1047814241. The reversal of 1047814240 is 424187401.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1047814241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4384041 + ... + 4384279.

It is an arithmetic number, because the mean of its divisors is an integer number (14696640).

Almost surely, 2^1047814240 is an apocalyptic number.

1047814240 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 1047814240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1410877440).

1047814240 is an abundant number, since it is smaller than the sum of its proper divisors (1773940640).

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

1047814240 is a wasteful number, since it uses less digits than its factorization.

1047814240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365 (or 357 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 31.

The square root of 1047814240 is about 32369.9589125473. The cubic root of 1047814240 is about 1015.6905975019.

The spelling of 1047814240 in words is "one billion, forty-seven million, eight hundred fourteen thousand, two hundred forty".