30541340 has 24 divisors (see below), whose sum is σ = 64631952. Its totient is φ = 12122240.

The previous prime is 30541337. The next prime is 30541349. The reversal of 30541340 is 4314503.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30541349) 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, 3209 + ... + 8448.

It is an arithmetic number, because the mean of its divisors is an integer number (2692998).

Almost surely, 2^30541340 is an apocalyptic number.

It is an amenable number.

30541340 is an abundant number, since it is smaller than the sum of its proper divisors (34090612).

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

30541340 is a wasteful number, since it uses less digits than its factorization.

30541340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11797 (or 11795 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 30541340 is about 5526.4219889545. The cubic root of 30541340 is about 312.5810861583.

Adding to 30541340 its reverse (4314503), we get a palindrome (34855843).

The spelling of 30541340 in words is "thirty million, five hundred forty-one thousand, three hundred forty".