1250290944 has 144 divisors (see below), whose sum is σ = 4225683840. Its totient is φ = 357212160.

The previous prime is 1250290913. The next prime is 1250290981. The reversal of 1250290944 is 4490920521.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×1250290944² = 3126454889296822272, which contains 22 as substring.

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 = 1250290899 and 1250290908.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35464 + ... + 61304.

Almost surely, 2^1250290944 is an apocalyptic number.

1250290944 is a gapful number since it is divisible by the number (14) 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 1250290944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2112841920).

1250290944 is an abundant number, since it is smaller than the sum of its proper divisors (2975392896).

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

1250290944 is an equidigital number, since it uses as much as digits as its factorization.

1250290944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25873 (or 25853 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 1250290944 is about 35359.4533894403. The cubic root of 1250290944 is about 1077.3009145121.

The spelling of 1250290944 in words is "one billion, two hundred fifty million, two hundred ninety thousand, nine hundred forty-four".