193956240432 has 20 divisors (see below), whose sum is σ = 501053621240. Its totient is φ = 64652080128.

The previous prime is 193956240431. The next prime is 193956240433. The reversal of 193956240432 is 234042659391.

It is an interprime number because it is at equal distance from previous prime (193956240431) and next prime (193956240433).

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 4040755009 = 193956240432 / (1 + 9 + 3 + 9 + 5 + 6 + 2 + 4 + 0 + 4 + 3 + 2).

It is not an unprimeable number, because it can be changed into a prime (193956240431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2020377457 + ... + 2020377552.

It is an arithmetic number, because the mean of its divisors is an integer number (25052681062).

Almost surely, 2^193956240432 is an apocalyptic number.

193956240432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

193956240432 is an abundant number, since it is smaller than the sum of its proper divisors (307097380808).

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

193956240432 is a wasteful number, since it uses less digits than its factorization.

193956240432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4040755020 (or 4040755014 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 48.

The spelling of 193956240432 in words is "one hundred ninety-three billion, nine hundred fifty-six million, two hundred forty thousand, four hundred thirty-two".