1386751242240 has 2496 divisors, whose sum is σ = 6425560350720. Its totient is φ = 280921374720.

The previous prime is 1386751242167. The next prime is 1386751242389. The reversal of 1386751242240 is 422421576831.

1386751242240 is a `hidden beast` number, since 1 + 38 + 67 + 512 + 4 + 2 + 2 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (2496).

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 191 ways as a sum of consecutive naturals, for example, 10919301057 + ... + 10919301183.

Almost surely, 2^{1386751242240} is an apocalyptic number.

1386751242240 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 1386751242240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3212780175360).

1386751242240 is an abundant number, since it is smaller than the sum of its proper divisors (5038809108480).

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

1386751242240 is a wasteful number, since it uses less digits than its factorization.

1386751242240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223 (or 188 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The spelling of 1386751242240 in words is "one trillion, three hundred eighty-six billion, seven hundred fifty-one million, two hundred forty-two thousand, two hundred forty".