253401330040 has 32 divisors (see below), whose sum is σ = 570173230080. Its totient is φ = 101356934272.

The previous prime is 253401330019. The next prime is 253401330097. The reversal of 253401330040 is 40033104352.

It is a junction number, because it is equal to n+sod(n) for n = 253401329987 and 253401330014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1225002 + ... + 1416838.

It is an arithmetic number, because the mean of its divisors is an integer number (17817913440).

Almost surely, 2^253401330040 is an apocalyptic number.

253401330040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

253401330040 is an abundant number, since it is smaller than the sum of its proper divisors (316771900040).

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

253401330040 is a wasteful number, since it uses less digits than its factorization.

253401330040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224871 (or 224867 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 253401330040 its reverse (40033104352), we get a palindrome (293434434392).

The spelling of 253401330040 in words is "two hundred fifty-three billion, four hundred one million, three hundred thirty thousand, forty".