15400110000 has 400 divisors, whose sum is σ = 56618876160. Its totient is φ = 3569280000.

The previous prime is 15400109983. The next prime is 15400110001. The reversal of 15400110000 is 1100451.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (400).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (15400110001) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 7588986 + ... + 7591014.

Almost surely, 2^15400110000 is an apocalyptic number.

15400110000 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 15400110000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28309438080).

15400110000 is an abundant number, since it is smaller than the sum of its proper divisors (41218766160).

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

15400110000 is a wasteful number, since it uses less digits than its factorization.

15400110000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2094 (or 2073 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 12.

Adding to 15400110000 its reverse (1100451), we get a palindrome (15401210451).

The spelling of 15400110000 in words is "fifteen billion, four hundred million, one hundred ten thousand".