30424280445 has 48 divisors (see below), whose sum is σ = 57570043440. Its totient is φ = 14772907008.

The previous prime is 30424280437. The next prime is 30424280449. The reversal of 30424280445 is 54408242403.

It can be written as a sum of positive squares in 8 ways, for example, as 886014756 + 29538265689 = 29766^2 + 171867^2 .

It is not a de Polignac number, because 30424280445 - 2³ = 30424280437 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30424280449) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 313510 + ... + 398919.

It is an arithmetic number, because the mean of its divisors is an integer number (1199375905).

Almost surely, 2^30424280445 is an apocalyptic number.

It is an amenable number.

30424280445 is a deficient number, since it is larger than the sum of its proper divisors (27145762995).

30424280445 is a wasteful number, since it uses less digits than its factorization.

30424280445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712526 (or 712523 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 36.

The spelling of 30424280445 in words is "thirty billion, four hundred twenty-four million, two hundred eighty thousand, four hundred forty-five".