15473840340 has 432 divisors, whose sum is σ = 53854198272. Its totient is φ = 3306240000.

The previous prime is 15473840339. The next prime is 15473840357. The reversal of 15473840340 is 4304837451.

It is a super-2 number, since 2×15473840340² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 153206290 + ... + 153206390.

It is an arithmetic number, because the mean of its divisors is an integer number (124662496).

Almost surely, 2^15473840340 is an apocalyptic number.

15473840340 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 15473840340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26927099136).

15473840340 is an abundant number, since it is smaller than the sum of its proper divisors (38380357932).

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

15473840340 is a wasteful number, since it uses less digits than its factorization.

15473840340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240 (or 190 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 39.

The spelling of 15473840340 in words is "fifteen billion, four hundred seventy-three million, eight hundred forty thousand, three hundred forty".