633425540253540 has 48 divisors (see below), whose sum is σ = 1773596030976000. Its totient is φ = 168913047089920.

The previous prime is 633425540253511. The next prime is 633425540253563. The reversal of 633425540253540 is 45352045524336.

It is a happy number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 10658461 + ... + 37154459.

It is an arithmetic number, because the mean of its divisors is an integer number (36949917312000).

Almost surely, 2^{633425540253540} is an apocalyptic number.

633425540253540 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

633425540253540 is an abundant number, since it is smaller than the sum of its proper divisors (1140170490722460).

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

633425540253540 is a wasteful number, since it uses less digits than its factorization.

633425540253540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26894452 (or 26894450 counting only the distinct ones).

The product of its (nonzero) digits is 25920000, while the sum is 51.

Adding to 633425540253540 its reverse (45352045524336), we get a palindrome (678777585777876).

The spelling of 633425540253540 in words is "six hundred thirty-three trillion, four hundred twenty-five billion, five hundred forty million, two hundred fifty-three thousand, five hundred forty".