30040461 has 48 divisors (see below), whose sum is σ = 50319360. Its totient is φ = 17091360.

The previous prime is 30040441. The next prime is 30040469. The reversal of 30040461 is 16404003.

It is not a de Polignac number, because 30040461 - 2⁵ = 30040429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30040469) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 179800 + ... + 179966.

It is an arithmetic number, because the mean of its divisors is an integer number (1048320).

Almost surely, 2^30040461 is an apocalyptic number.

It is an amenable number.

30040461 is a deficient number, since it is larger than the sum of its proper divisors (20278899).

30040461 is a wasteful number, since it uses less digits than its factorization.

30040461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286 (or 283 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 30040461 is about 5480.9178975788. The cubic root of 30040461 is about 310.8628786581.

Adding to 30040461 its reverse (16404003), we get a palindrome (46444464).

The spelling of 30040461 in words is "thirty million, forty thousand, four hundred sixty-one".