1361589480 has 64 divisors (see below), whose sum is σ = 4538635200. Its totient is φ = 363090240.

The previous prime is 1361589473. The next prime is 1361589491. The reversal of 1361589480 is 849851631.

1361589480 is a `hidden beast` number, since 1 + 3 + 61 + 589 + 4 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 629286 + ... + 631445.

It is an arithmetic number, because the mean of its divisors is an integer number (70916175).

Almost surely, 2^1361589480 is an apocalyptic number.

1361589480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1361589480 is an abundant number, since it is smaller than the sum of its proper divisors (3177045720).

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

1361589480 is a wasteful number, since it uses less digits than its factorization.

1361589480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1260751 (or 1260741 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The square root of 1361589480 is about 36899.7219501719. The cubic root of 1361589480 is about 1108.3631095825.

The spelling of 1361589480 in words is "one billion, three hundred sixty-one million, five hundred eighty-nine thousand, four hundred eighty".