15405413104 has 40 divisors (see below), whose sum is σ = 31512375440. Its totient is φ = 7275598848.

The previous prime is 15405413071. The next prime is 15405413117. The reversal of 15405413104 is 40131450451.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27262 + ... + 177634.

It is an arithmetic number, because the mean of its divisors is an integer number (787809386).

Almost surely, 2^15405413104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15405413104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15756187720).

15405413104 is an abundant number, since it is smaller than the sum of its proper divisors (16106962336).

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

15405413104 is a wasteful number, since it uses less digits than its factorization.

15405413104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150737 (or 150731 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 15405413104 its reverse (40131450451), we get a palindrome (55536863555).

The spelling of 15405413104 in words is "fifteen billion, four hundred five million, four hundred thirteen thousand, one hundred four".