15003575040 has 144 divisors (see below), whose sum is σ = 47968085088. Its totient is φ = 3996745728.

The previous prime is 15003575033. The next prime is 15003575051. The reversal of 15003575040 is 4057530051.

It is a super-2 number, since 2×15003575040² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 15003574989 and 15003575007.

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, 5731812 + ... + 5734428.

It is an arithmetic number, because the mean of its divisors is an integer number (333111702).

Almost surely, 2^15003575040 is an apocalyptic number.

15003575040 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 15003575040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23984042544).

15003575040 is an abundant number, since it is smaller than the sum of its proper divisors (32964510048).

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

15003575040 is a wasteful number, since it uses less digits than its factorization.

15003575040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4134 (or 4120 counting only the distinct ones).

The product of its (nonzero) digits is 10500, while the sum is 30.

The spelling of 15003575040 in words is "fifteen billion, three million, five hundred seventy-five thousand, forty".