15430325620 has 12 divisors (see below), whose sum is σ = 32403683844. Its totient is φ = 6172130240.

The previous prime is 15430325569. The next prime is 15430325627. The reversal of 15430325620 is 2652303451.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1648035216 + 13782290404 = 40596^2 + 117398^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15430325627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 385758121 + ... + 385758160.

It is an arithmetic number, because the mean of its divisors is an integer number (2700306987).

Almost surely, 2^15430325620 is an apocalyptic number.

15430325620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15430325620 is an abundant number, since it is smaller than the sum of its proper divisors (16973358224).

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

15430325620 is a wasteful number, since it uses less digits than its factorization.

15430325620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771516290 (or 771516288 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 31.

The spelling of 15430325620 in words is "fifteen billion, four hundred thirty million, three hundred twenty-five thousand, six hundred twenty".