1520255000430 has 48 divisors (see below), whose sum is σ = 3959239952304. Its totient is φ = 404726774400.

The previous prime is 1520255000399. The next prime is 1520255000437. The reversal of 1520255000430 is 340005520251.

It is a happy number.

1520255000430 is a `hidden beast` number, since 152 + 0 + 2 + 5 + 500 + 0 + 4 + 3 + 0 = 666.

It is a super-2 number, since 2×1520255000430² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1520255000394 and 1520255000403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1520255000437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13998924 + ... + 14107103.

It is an arithmetic number, because the mean of its divisors is an integer number (82484165673).

Almost surely, 2^{1520255000430} is an apocalyptic number.

1520255000430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1520255000430 is an abundant number, since it is smaller than the sum of its proper divisors (2438984951874).

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

1520255000430 is a wasteful number, since it uses less digits than its factorization.

1520255000430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28106641 (or 28106638 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The spelling of 1520255000430 in words is "one trillion, five hundred twenty billion, two hundred fifty-five million, four hundred thirty", and thus it is an aban number.