15482221400 has 24 divisors (see below), whose sum is σ = 35996165220. Its totient is φ = 6192888480.

The previous prime is 15482221373. The next prime is 15482221409. The reversal of 15482221400 is 412228451.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15482221409) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 38705354 + ... + 38705753.

Almost surely, 2^15482221400 is an apocalyptic number.

15482221400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15482221400 is an abundant number, since it is smaller than the sum of its proper divisors (20513943820).

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

15482221400 is a wasteful number, since it uses less digits than its factorization.

15482221400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77411123 (or 77411114 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 29.

Adding to 15482221400 its reverse (412228451), we get a palindrome (15894449851).

The spelling of 15482221400 in words is "fifteen billion, four hundred eighty-two million, two hundred twenty-one thousand, four hundred".