15105487040 has 112 divisors (see below), whose sum is σ = 41672085312. Its totient is φ = 5108023296.

The previous prime is 15105487039. The next prime is 15105487051. The reversal of 15105487040 is 4078450151.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (35).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117332 + ... + 209708.

Almost surely, 2^15105487040 is an apocalyptic number.

15105487040 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 15105487040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20836042656).

15105487040 is an abundant number, since it is smaller than the sum of its proper divisors (26566598272).

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

15105487040 is an equidigital number, since it uses as much as digits as its factorization.

15105487040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92474 (or 92464 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 35.

The spelling of 15105487040 in words is "fifteen billion, one hundred five million, four hundred eighty-seven thousand, forty".