253050840 has 96 divisors (see below), whose sum is σ = 939912480. Its totient is φ = 57839616.

The previous prime is 253050821. The next prime is 253050841. The reversal of 253050840 is 48050352.

253050840 is a `hidden beast` number, since 2 + 530 + 50 + 84 + 0 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253050841) 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 23 ways as a sum of consecutive naturals, for example, 47689 + ... + 52728.

It is an arithmetic number, because the mean of its divisors is an integer number (9790755).

Almost surely, 2^253050840 is an apocalyptic number.

253050840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

253050840 is an abundant number, since it is smaller than the sum of its proper divisors (686861640).

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

253050840 is a wasteful number, since it uses less digits than its factorization.

253050840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100441 (or 100434 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 253050840 is about 15907.5717820163. The cubic root of 253050840 is about 632.5127161853.

The spelling of 253050840 in words is "two hundred fifty-three million, fifty thousand, eight hundred forty".