193530459040 has 48 divisors (see below), whose sum is σ = 457368297120. Its totient is φ = 77386348800.

The previous prime is 193530459013. The next prime is 193530459041. The reversal of 193530459040 is 40954035391.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (193530459041) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 282715 + ... + 683365.

It is an arithmetic number, because the mean of its divisors is an integer number (9528506190).

Almost surely, 2^193530459040 is an apocalyptic number.

193530459040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

193530459040 is an abundant number, since it is smaller than the sum of its proper divisors (263837838080).

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

193530459040 is a wasteful number, since it uses less digits than its factorization.

193530459040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403685 (or 403677 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 43.

The spelling of 193530459040 in words is "one hundred ninety-three billion, five hundred thirty million, four hundred fifty-nine thousand, forty".