30070149940 has 24 divisors (see below), whose sum is σ = 63477937152. Its totient is φ = 11965084320.

The previous prime is 30070149887. The next prime is 30070149943. The reversal of 30070149940 is 4994107003.

It is a self number, because there is not a number n which added to its sum of digits gives 30070149940.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30070149943) 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, 3932064 + ... + 3939703.

It is an arithmetic number, because the mean of its divisors is an integer number (2644914048).

Almost surely, 2^30070149940 is an apocalyptic number.

It is an amenable number.

30070149940 is an abundant number, since it is smaller than the sum of its proper divisors (33407787212).

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

30070149940 is a wasteful number, since it uses less digits than its factorization.

30070149940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7871967 (or 7871965 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 37.

The spelling of 30070149940 in words is "thirty billion, seventy million, one hundred forty-nine thousand, nine hundred forty".