1252889936040 has 64 divisors (see below), whose sum is σ = 3922090243200. Its totient is φ = 319577722112.

The previous prime is 1252889936033. The next prime is 1252889936071. The reversal of 1252889936040 is 406399882521.

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 15 ways as a sum of consecutive naturals, for example, 226970055 + ... + 226975574.

It is an arithmetic number, because the mean of its divisors is an integer number (61282660050).

Almost surely, 2^{1252889936040} is an apocalyptic number.

1252889936040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1252889936040 is an abundant number, since it is smaller than the sum of its proper divisors (2669200307160).

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

1252889936040 is a wasteful number, since it uses less digits than its factorization.

1252889936040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453945666 (or 453945662 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 57.

The spelling of 1252889936040 in words is "one trillion, two hundred fifty-two billion, eight hundred eighty-nine million, nine hundred thirty-six thousand, forty".