1360981440 has 560 divisors, whose sum is σ = 5968788672. Its totient is φ = 286654464.

The previous prime is 1360981423. The next prime is 1360981469. The reversal of 1360981440 is 441890631.

1360981440 is a `hidden beast` number, since 1 + 3 + 609 + 8 + 1 + 4 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (560).

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

It is a junction number, because it is equal to n+sod(n) for n = 1360981395 and 1360981404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2358432 + ... + 2359008.

Almost surely, 2^1360981440 is an apocalyptic number.

1360981440 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 1360981440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2984394336).

1360981440 is an abundant number, since it is smaller than the sum of its proper divisors (4607807232).

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

1360981440 is a wasteful number, since it uses less digits than its factorization.

1360981440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626 (or 607 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 1360981440 is about 36891.4819436682. The cubic root of 1360981440 is about 1108.1980991399.

The spelling of 1360981440 in words is "one billion, three hundred sixty million, nine hundred eighty-one thousand, four hundred forty".