250406002530 has 40 divisors (see below), whose sum is σ = 673313920092. Its totient is φ = 66774933792.

The previous prime is 250406002507. The next prime is 250406002607. The reversal of 250406002530 is 35200604052.

250406002530 is a `hidden beast` number, since 2 + 5 + 0 + 4 + 0 + 600 + 2 + 53 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 235470474009 + 14935528521 = 485253^2 + 122211^2 .

It is a super-2 number, since 2×250406002530² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 250406002494 and 250406002503.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 154570797 + ... + 154572416.

Almost surely, 2^250406002530 is an apocalyptic number.

250406002530 is an abundant number, since it is smaller than the sum of its proper divisors (422907917562).

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

250406002530 is a wasteful number, since it uses less digits than its factorization.

250406002530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309143232 (or 309143223 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

Adding to 250406002530 its reverse (35200604052), we get a palindrome (285606606582).

The spelling of 250406002530 in words is "two hundred fifty billion, four hundred six million, two thousand, five hundred thirty".