15340205550 has 48 divisors (see below), whose sum is σ = 39071932272. Its totient is φ = 3980160000.

The previous prime is 15340205537. The next prime is 15340205593. The reversal of 15340205550 is 5550204351.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1376451 + ... + 1387550.

It is an arithmetic number, because the mean of its divisors is an integer number (813998589).

Almost surely, 2^15340205550 is an apocalyptic number.

15340205550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15340205550 is an abundant number, since it is smaller than the sum of its proper divisors (23731726722).

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

15340205550 is a wasteful number, since it uses less digits than its factorization.

15340205550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2764053 (or 2764048 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 30.

The spelling of 15340205550 in words is "fifteen billion, three hundred forty million, two hundred five thousand, five hundred fifty".