30426040 has 32 divisors (see below), whose sum is σ = 69486480. Its totient is φ = 11987712.

The previous prime is 30426037. The next prime is 30426043. The reversal of 30426040 is 4062403.

It is an interprime number because it is at equal distance from previous prime (30426037) and next prime (30426043).

It is a junction number, because it is equal to n+sod(n) for n = 30425999 and 30426017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30426043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2997 + ... + 8356.

Almost surely, 2^30426040 is an apocalyptic number.

It is an amenable number.

30426040 is an abundant number, since it is smaller than the sum of its proper divisors (39060440).

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

30426040 is a wasteful number, since it uses less digits than its factorization.

30426040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11431 (or 11427 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 30426040 is about 5515.9804205599. The cubic root of 30426040 is about 312.1872369448.

Adding to 30426040 its reverse (4062403), we get a palindrome (34488443).

The spelling of 30426040 in words is "thirty million, four hundred twenty-six thousand, forty".