1380761046 has 256 divisors, whose sum is σ = 4014489600. Its totient is φ = 342268416.

The previous prime is 1380761023. The next prime is 1380761099. The reversal of 1380761046 is 6401670831.

1380761046 is a `hidden beast` number, since 1 + 38 + 0 + 7 + 610 + 4 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 1380761046.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 5249911 + ... + 5250173.

It is an arithmetic number, because the mean of its divisors is an integer number (15681600).

Almost surely, 2^1380761046 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1380761046, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2007244800).

1380761046 is an abundant number, since it is smaller than the sum of its proper divisors (2633728554).

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

1380761046 is a wasteful number, since it uses less digits than its factorization.

1380761046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360 (or 354 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 1380761046 is about 37158.5931649733. The cubic root of 1380761046 is about 1113.5409057756.

The spelling of 1380761046 in words is "one billion, three hundred eighty million, seven hundred sixty-one thousand, forty-six".