1047380880 has 720 divisors, whose sum is σ = 4470142464. Its totient is φ = 201277440.

The previous prime is 1047380857. The next prime is 1047380927. The reversal of 1047380880 is 880837401.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 33786465 + ... + 33786495.

Almost surely, 2^1047380880 is an apocalyptic number.

1047380880 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 1047380880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2235071232).

1047380880 is an abundant number, since it is smaller than the sum of its proper divisors (3422761584).

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

1047380880 is a wasteful number, since it uses less digits than its factorization.

1047380880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104 (or 78 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 39.

The square root of 1047380880 is about 32363.2643594555. The cubic root of 1047380880 is about 1015.5505534764.

The spelling of 1047380880 in words is "one billion, forty-seven million, three hundred eighty thousand, eight hundred eighty".