615223013430 has 64 divisors (see below), whose sum is σ = 1527569668800. Its totient is φ = 158389862400.

The previous prime is 615223013413. The next prime is 615223013443. The reversal of 615223013430 is 34310322516.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17459830 + ... + 17495030.

It is an arithmetic number, because the mean of its divisors is an integer number (23868276075).

Almost surely, 2^615223013430 is an apocalyptic number.

615223013430 is an abundant number, since it is smaller than the sum of its proper divisors (912346655370).

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

615223013430 is a wasteful number, since it uses less digits than its factorization.

615223013430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55329.

The product of its (nonzero) digits is 12960, while the sum is 30.

Adding to 615223013430 its reverse (34310322516), we get a palindrome (649533335946).

The spelling of 615223013430 in words is "six hundred fifteen billion, two hundred twenty-three million, thirteen thousand, four hundred thirty".