252775505040 has 40 divisors (see below), whose sum is σ = 783604066368. Its totient is φ = 67406801280.

The previous prime is 252775505039. The next prime is 252775505041. The reversal of 252775505040 is 40505577252.

It is an interprime number because it is at equal distance from previous prime (252775505039) and next prime (252775505041).

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 252775504983 and 252775505001.

It is not an unprimeable number, because it can be changed into a prime (252775505041) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 526615396 + ... + 526615875.

Almost surely, 2^252775505040 is an apocalyptic number.

252775505040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

252775505040 is an abundant number, since it is smaller than the sum of its proper divisors (530828561328).

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

252775505040 is a wasteful number, since it uses less digits than its factorization.

252775505040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1053231287 (or 1053231281 counting only the distinct ones).

The product of its (nonzero) digits is 490000, while the sum is 42.

The spelling of 252775505040 in words is "two hundred fifty-two billion, seven hundred seventy-five million, five hundred five thousand, forty".