15450431104340 has 48 divisors (see below), whose sum is σ = 32593763959680. Its totient is φ = 6152019120000.

The previous prime is 15450431104321. The next prime is 15450431104351. The reversal of 15450431104340 is 4340113405451.

It is a self number, because there is not a number n which added to its sum of digits gives 15450431104340.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24062465 + ... + 24696215.

It is an arithmetic number, because the mean of its divisors is an integer number (679036749160).

Almost surely, 2^{15450431104340} is an apocalyptic number.

15450431104340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15450431104340 is an abundant number, since it is smaller than the sum of its proper divisors (17143332855340).

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

15450431104340 is a wasteful number, since it uses less digits than its factorization.

15450431104340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639312 (or 639310 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

Adding to 15450431104340 its reverse (4340113405451), we get a palindrome (19790544509791).

The spelling of 15450431104340 in words is "fifteen trillion, four hundred fifty billion, four hundred thirty-one million, one hundred four thousand, three hundred forty".