140520433460 has 96 divisors (see below), whose sum is σ = 323539332480. Its totient is φ = 50841907200.

The previous prime is 140520433457. The next prime is 140520433531. The reversal of 140520433460 is 64334025041.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42183995 + ... + 42187325.

It is an arithmetic number, because the mean of its divisors is an integer number (3370201380).

Almost surely, 2^140520433460 is an apocalyptic number.

140520433460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140520433460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161769666240).

140520433460 is an abundant number, since it is smaller than the sum of its proper divisors (183018899020).

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

140520433460 is a wasteful number, since it uses less digits than its factorization.

140520433460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4257 (or 4255 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 32.

The spelling of 140520433460 in words is "one hundred forty billion, five hundred twenty million, four hundred thirty-three thousand, four hundred sixty".