30400554 has 16 divisors (see below), whose sum is σ = 60939648. Its totient is φ = 10110432.

The previous prime is 30400541. The next prime is 30400571. The reversal of 30400554 is 45500403.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 30400554.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2802 + ... + 8285.

It is an arithmetic number, because the mean of its divisors is an integer number (3808728).

Almost surely, 2^30400554 is an apocalyptic number.

30400554 is an abundant number, since it is smaller than the sum of its proper divisors (30539094).

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

30400554 is a wasteful number, since it uses less digits than its factorization.

30400554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11549.

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 30400554 is about 5513.6697398375. The cubic root of 30400554 is about 312.1000459894.

Adding to 30400554 its reverse (45500403), we get a palindrome (75900957).

The spelling of 30400554 in words is "thirty million, four hundred thousand, five hundred fifty-four".