1047385260 has 72 divisors (see below), whose sum is σ = 3344293680. Its totient is φ = 264601728.

The previous prime is 1047385259. The next prime is 1047385289. The reversal of 1047385260 is 625837401.

1047385260 is a `hidden beast` number, since 10 + 4 + 7 + 385 + 260 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 149707 + ... + 156546.

Almost surely, 2^1047385260 is an apocalyptic number.

1047385260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1047385260 is an abundant number, since it is smaller than the sum of its proper divisors (2296908420).

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

1047385260 is a wasteful number, since it uses less digits than its factorization.

1047385260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306287 (or 306282 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 1047385260 is about 32363.3320287019. The cubic root of 1047385260 is about 1015.5519691045.

The spelling of 1047385260 in words is "one billion, forty-seven million, three hundred eighty-five thousand, two hundred sixty".