1790625140 has 36 divisors (see below), whose sum is σ = 3832721004. Its totient is φ = 702713856.

The previous prime is 1790625121. The next prime is 1790625203. The reversal of 1790625140 is 415260971.

It can be written as a sum of positive squares in 6 ways, for example, as 150544 + 1790474596 = 388^2 + 42314^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1790625140.

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 11 ways as a sum of consecutive naturals, for example, 40244 + ... + 72116.

Almost surely, 2^1790625140 is an apocalyptic number.

1790625140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1790625140 is an abundant number, since it is smaller than the sum of its proper divisors (2042095864).

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

1790625140 is a wasteful number, since it uses less digits than its factorization.

1790625140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31988 (or 31933 counting only the distinct ones).

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

The square root of 1790625140 is about 42315.7788537562. The cubic root of 1790625140 is about 1214.3248779723.

The spelling of 1790625140 in words is "one billion, seven hundred ninety million, six hundred twenty-five thousand, one hundred forty".