30966260440 has 32 divisors (see below), whose sum is σ = 69690942000. Its totient is φ = 12383507584.

The previous prime is 30966260419. The next prime is 30966260443. The reversal of 30966260440 is 4406266903.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 30966260393 and 30966260402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30966260443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77631 + ... + 260689.

Almost surely, 2^30966260440 is an apocalyptic number.

It is an amenable number.

30966260440 is an abundant number, since it is smaller than the sum of its proper divisors (38724681560).

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

30966260440 is a wasteful number, since it uses less digits than its factorization.

30966260440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187299 (or 187295 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 40.

The spelling of 30966260440 in words is "thirty billion, nine hundred sixty-six million, two hundred sixty thousand, four hundred forty".