634501545131040 has 48 divisors (see below), whose sum is σ = 1998679867164288. Its totient is φ = 169200412034816.

The previous prime is 634501545131011. The next prime is 634501545131159. The reversal of 634501545131040 is 40131545105436.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 634501545130983 and 634501545131001.

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, 660939109032 + ... + 660939109991.

It is an arithmetic number, because the mean of its divisors is an integer number (41639163899256).

Almost surely, 2^{634501545131040} is an apocalyptic number.

634501545131040 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

634501545131040 is an abundant number, since it is smaller than the sum of its proper divisors (1364178322033248).

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

634501545131040 is a wasteful number, since it uses less digits than its factorization.

634501545131040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1321878219041 (or 1321878219033 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 42.

The spelling of 634501545131040 in words is "six hundred thirty-four trillion, five hundred one billion, five hundred forty-five million, one hundred thirty-one thousand, forty".