253330340432 has 40 divisors (see below), whose sum is σ = 538556795784. Its totient is φ = 114715620864.

The previous prime is 253330340413. The next prime is 253330340441. The reversal of 253330340432 is 234043033352.

It can be written as a sum of positive squares in 4 ways, for example, as 54917110336 + 198413230096 = 234344^2 + 445436^2 .

It is a super-2 number, since 2×253330340432² (a number of 24 digits) contains 22 as substring.

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, 11478923 + ... + 11500970.

Almost surely, 2^253330340432 is an apocalyptic number.

It is an amenable number.

253330340432 is an abundant number, since it is smaller than the sum of its proper divisors (285226455352).

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

253330340432 is a wasteful number, since it uses less digits than its factorization.

253330340432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22979967 (or 22979961 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 32.

Adding to 253330340432 its reverse (234043033352), we get a palindrome (487373373784).

The spelling of 253330340432 in words is "two hundred fifty-three billion, three hundred thirty million, three hundred forty thousand, four hundred thirty-two".