15040450030 has 16 divisors (see below), whose sum is σ = 28249889184. Its totient is φ = 5754606880.

The previous prime is 15040449943. The next prime is 15040450057. The reversal of 15040450030 is 3005404051.

It is a junction number, because it is equal to n+sod(n) for n = 15040449983 and 15040450010.

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, 32696401 + ... + 32696860.

It is an arithmetic number, because the mean of its divisors is an integer number (1765618074).

Almost surely, 2^15040450030 is an apocalyptic number.

15040450030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15040450030 is a deficient number, since it is larger than the sum of its proper divisors (13209439154).

15040450030 is a wasteful number, since it uses less digits than its factorization.

15040450030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65393291.

The product of its (nonzero) digits is 1200, while the sum is 22.

Adding to 15040450030 its reverse (3005404051), we get a palindrome (18045854081).

The spelling of 15040450030 in words is "fifteen billion, forty million, four hundred fifty thousand, thirty".