80400030 has 32 divisors (see below), whose sum is σ = 193273344. Its totient is φ = 21405216.

The previous prime is 80400029. The next prime is 80400059. The reversal of 80400030 is 3000408.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a junction number, because it is equal to n+sod(n) for n = 80399982 and 80400009.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20487 + ... + 24093.

It is an arithmetic number, because the mean of its divisors is an integer number (6039792).

Almost surely, 2^80400030 is an apocalyptic number.

80400030 is an abundant number, since it is smaller than the sum of its proper divisors (112873314).

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

80400030 is a wasteful number, since it uses less digits than its factorization.

80400030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4360.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 80400030 is about 8966.6063814578. The cubic root of 80400030 is about 431.6039429907.

Adding to 80400030 its reverse (3000408), we get a palindrome (83400438).

The spelling of 80400030 in words is "eighty million, four hundred thousand, thirty".