15040475628 has 24 divisors (see below), whose sum is σ = 35118085632. Its totient is φ = 5010114384.

The previous prime is 15040475587. The next prime is 15040475633. The reversal of 15040475628 is 82657404051.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 15040475628.

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, 403600 + ... + 439287.

It is an arithmetic number, because the mean of its divisors is an integer number (1463253568).

Almost surely, 2^15040475628 is an apocalyptic number.

It is an amenable number.

15040475628 is an abundant number, since it is smaller than the sum of its proper divisors (20077610004).

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

15040475628 is a wasteful number, since it uses less digits than its factorization.

15040475628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 844381 (or 844379 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 42.

Adding to 15040475628 its reverse (82657404051), we get a palindrome (97697879679).

The spelling of 15040475628 in words is "fifteen billion, forty million, four hundred seventy-five thousand, six hundred twenty-eight".