1250966040 has 256 divisors, whose sum is σ = 4049740800. Its totient is φ = 308582400.

The previous prime is 1250965987. The next prime is 1250966051. The reversal of 1250966040 is 406690521.

It is a junction number, because it is equal to n+sod(n) for n = 1250965992 and 1250966010.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15071839 + ... + 15071921.

It is an arithmetic number, because the mean of its divisors is an integer number (15819300).

Almost surely, 2^1250966040 is an apocalyptic number.

1250966040 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 1250966040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2024870400).

1250966040 is an abundant number, since it is smaller than the sum of its proper divisors (2798774760).

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

1250966040 is a wasteful number, since it uses less digits than its factorization.

1250966040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258 (or 254 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 1250966040 is about 35368.9982894625. The cubic root of 1250966040 is about 1077.4947762374.

The spelling of 1250966040 in words is "one billion, two hundred fifty million, nine hundred sixty-six thousand, forty".