30540404 has 6 divisors (see below), whose sum is σ = 53445714. Its totient is φ = 15270200.

The previous prime is 30540403. The next prime is 30540407. The reversal of 30540404 is 40404503.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 18079504 + 12460900 = 4252^2 + 3530^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30540401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3817547 + ... + 3817554.

It is an arithmetic number, because the mean of its divisors is an integer number (8907619).

Almost surely, 2^30540404 is an apocalyptic number.

It is an amenable number.

30540404 is a deficient number, since it is larger than the sum of its proper divisors (22905310).

30540404 is a wasteful number, since it uses less digits than its factorization.

30540404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7635105 (or 7635103 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 30540404 is about 5526.3373042188. The cubic root of 30540404 is about 312.5778929030.

Adding to 30540404 its reverse (40404503), we get a palindrome (70944907).

The spelling of 30540404 in words is "thirty million, five hundred forty thousand, four hundred four".