252190895040 has 1680 divisors, whose sum is σ = 1112487203520. Its totient is φ = 53973319680.

The previous prime is 252190895039. The next prime is 252190895041. The reversal of 252190895040 is 40598091252.

It is a happy number.

252190895040 is a `hidden beast` number, since 2 + 52 + 1 + 90 + 8 + 9 + 504 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (252190895039) and next prime (252190895041).

It is a tau number, because it is divible by the number of its divisors (1680).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252190895041) by changing a digit.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 1510125037 + ... + 1510125203.

It is an arithmetic number, because the mean of its divisors is an integer number (662194764).

Almost surely, 2^252190895040 is an apocalyptic number.

252190895040 is a gapful number since it is divisible by the number (20) 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 252190895040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (556243601760).

252190895040 is an abundant number, since it is smaller than the sum of its proper divisors (860296308480).

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

252190895040 is a wasteful number, since it uses less digits than its factorization.

252190895040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280 (or 254 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 45.

The spelling of 252190895040 in words is "two hundred fifty-two billion, one hundred ninety million, eight hundred ninety-five thousand, forty".