30490080 has 48 divisors (see below), whose sum is σ = 96045264. Its totient is φ = 8130560.

The previous prime is 30490069. The next prime is 30490087. The reversal of 30490080 is 8009403.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 30490080.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30490087) by changing a digit.

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, 31281 + ... + 32240.

It is an arithmetic number, because the mean of its divisors is an integer number (2000943).

Almost surely, 2^30490080 is an apocalyptic number.

30490080 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30490080 is an abundant number, since it is smaller than the sum of its proper divisors (65555184).

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

30490080 is a wasteful number, since it uses less digits than its factorization.

30490080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63539 (or 63531 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 30490080 is about 5521.7823209540. The cubic root of 30490080 is about 312.4061115280.

Adding to 30490080 its reverse (8009403), we get a palindrome (38499483).

The spelling of 30490080 in words is "thirty million, four hundred ninety thousand, eighty".