30894007040 has 144 divisors (see below), whose sum is σ = 81548388768. Its totient is φ = 11141480448.

The previous prime is 30894007033. The next prime is 30894007051. The reversal of 30894007040 is 4070049803.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 693932 + ... + 737108.

Almost surely, 2^30894007040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30894007040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40774194384).

30894007040 is an abundant number, since it is smaller than the sum of its proper divisors (50654381728).

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

30894007040 is a wasteful number, since it uses less digits than its factorization.

30894007040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43254 (or 43240 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The spelling of 30894007040 in words is "thirty billion, eight hundred ninety-four million, seven thousand, forty".