30260140 has 24 divisors (see below), whose sum is σ = 64315440. Its totient is φ = 11957568.

The previous prime is 30260107. The next prime is 30260159. The reversal of 30260140 is 4106203.

30260140 = 35² + 36² + ... + 449².

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7455 + ... + 10774.

It is an arithmetic number, because the mean of its divisors is an integer number (2679810).

Almost surely, 2^30260140 is an apocalyptic number.

It is an amenable number.

30260140 is an abundant number, since it is smaller than the sum of its proper divisors (34055300).

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

30260140 is a wasteful number, since it uses less digits than its factorization.

30260140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18321 (or 18319 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 30260140 is about 5500.9217409449. The cubic root of 30260140 is about 311.6187953330.

Adding to 30260140 its reverse (4106203), we get a palindrome (34366343).

The spelling of 30260140 in words is "thirty million, two hundred sixty thousand, one hundred forty".