1330961472 has 42 divisors (see below), whose sum is σ = 3814962398. Its totient is φ = 443653632.

The previous prime is 1330961383. The next prime is 1330961479. The reversal of 1330961472 is 2741690331.

1330961472 is a `hidden beast` number, since 1 + 3 + 30 + 9 + 614 + 7 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1280494656 + 50466816 = 35784^2 + 7104^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1330961479) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1154773 + ... + 1155924.

Almost surely, 2^1330961472 is an apocalyptic number.

1330961472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1330961472 is an abundant number, since it is smaller than the sum of its proper divisors (2484000926).

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

1330961472 is a wasteful number, since it uses less digits than its factorization.

1330961472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2310715 (or 2310702 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 1330961472 is about 36482.3446614935. The cubic root of 1330961472 is about 1099.9893861235.

The spelling of 1330961472 in words is "one billion, three hundred thirty million, nine hundred sixty-one thousand, four hundred seventy-two".