15347640000 has 840 divisors, whose sum is σ = 64165260544. Its totient is φ = 3168000000.

The previous prime is 15347639987. The next prime is 15347640017. The reversal of 15347640000 is 4674351.

It is a tau number, because it is divible by the number of its divisors (840).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a self number, because there is not a number n which added to its sum of digits gives 15347640000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 101639925 + ... + 101640075.

Almost surely, 2^15347640000 is an apocalyptic number.

15347640000 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 15347640000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32082630272).

15347640000 is an abundant number, since it is smaller than the sum of its proper divisors (48817620544).

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

15347640000 is a wasteful number, since it uses less digits than its factorization.

15347640000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215 (or 179 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The spelling of 15347640000 in words is "fifteen billion, three hundred forty-seven million, six hundred forty thousand".