30401980 has 24 divisors (see below), whose sum is σ = 72965088. Its totient is φ = 10423488.

The previous prime is 30401977. The next prime is 30401981. The reversal of 30401980 is 8910403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30401981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108439 + ... + 108718.

It is an arithmetic number, because the mean of its divisors is an integer number (3040212).

Almost surely, 2^30401980 is an apocalyptic number.

It is an amenable number.

30401980 is an abundant number, since it is smaller than the sum of its proper divisors (42563108).

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

30401980 is a wasteful number, since it uses less digits than its factorization.

30401980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217173 (or 217171 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 30401980 is about 5513.7990532844. The cubic root of 30401980 is about 312.1049258096.

The spelling of 30401980 in words is "thirty million, four hundred one thousand, nine hundred eighty".