15534400104 has 64 divisors (see below), whose sum is σ = 43697376000. Its totient is φ = 5112581760.

The previous prime is 15534400099. The next prime is 15534400109. The reversal of 15534400104 is 40100443551.

It is a happy number.

15534400104 is a `hidden beast` number, since 1 + 553 + 4 + 4 + 0 + 0 + 104 = 666.

15534400104 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (15534400099) and next prime (15534400109).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (15534400109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 438117 + ... + 472244.

It is an arithmetic number, because the mean of its divisors is an integer number (682771500).

Almost surely, 2^15534400104 is an apocalyptic number.

It is an amenable number.

15534400104 is an abundant number, since it is smaller than the sum of its proper divisors (28162975896).

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

15534400104 is a wasteful number, since it uses less digits than its factorization.

15534400104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 910455 (or 910445 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 15534400104 its reverse (40100443551), we get a palindrome (55634843655).

The spelling of 15534400104 in words is "fifteen billion, five hundred thirty-four million, four hundred thousand, one hundred four".