15045440340 has 96 divisors (see below), whose sum is σ = 50238720000. Its totient is φ = 3289435776.

The previous prime is 15045440321. The next prime is 15045440341. The reversal of 15045440340 is 4304454051.

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 = 15045440298 and 15045440307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15045440341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 769090 + ... + 788409.

It is an arithmetic number, because the mean of its divisors is an integer number (523320000).

Almost surely, 2^15045440340 is an apocalyptic number.

15045440340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15045440340 is an abundant number, since it is smaller than the sum of its proper divisors (35193279660).

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

15045440340 is a wasteful number, since it uses less digits than its factorization.

15045440340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1557541 (or 1557539 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 15045440340 its reverse (4304454051), we get a palindrome (19349894391).

The spelling of 15045440340 in words is "fifteen billion, forty-five million, four hundred forty thousand, three hundred forty".