1380790250 has 64 divisors (see below), whose sum is σ = 2995978752. Its totient is φ = 466704000.

The previous prime is 1380790219. The next prime is 1380790261. The reversal of 1380790250 is 520970831.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1380790250.

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 31 ways as a sum of consecutive naturals, for example, 118694 + ... + 129806.

It is an arithmetic number, because the mean of its divisors is an integer number (46812168).

Almost surely, 2^1380790250 is an apocalyptic number.

1380790250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1380790250 is an abundant number, since it is smaller than the sum of its proper divisors (1615188502).

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

1380790250 is a wasteful number, since it uses less digits than its factorization.

1380790250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11208 (or 11198 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 1380790250 is about 37158.9861271806. The cubic root of 1380790250 is about 1113.5487564266.

The spelling of 1380790250 in words is "one billion, three hundred eighty million, seven hundred ninety thousand, two hundred fifty".