1013555430 has 96 divisors (see below), whose sum is σ = 2806955424. Its totient is φ = 262953216.

The previous prime is 1013555401. The next prime is 1013555461. The reversal of 1013555430 is 345553101.

1013555430 is a `hidden beast` number, since 101 + 3 + 5 + 554 + 3 + 0 = 666.

1013555430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1013555394 and 1013555403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 84274 + ... + 95546.

It is an arithmetic number, because the mean of its divisors is an integer number (29239119).

Almost surely, 2^1013555430 is an apocalyptic number.

1013555430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1013555430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1403477712).

1013555430 is an abundant number, since it is smaller than the sum of its proper divisors (1793399994).

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

1013555430 is a wasteful number, since it uses less digits than its factorization.

1013555430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11332 (or 11320 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 1013555430 is about 31836.3853161756. The cubic root of 1013555430 is about 1004.4982124129.

The spelling of 1013555430 in words is "one billion, thirteen million, five hundred fifty-five thousand, four hundred thirty".