80354440 has 32 divisors (see below), whose sum is σ = 183502080. Its totient is φ = 31660992.

The previous prime is 80354437. The next prime is 80354459. The reversal of 80354440 is 4445308.

It is a junction number, because it is equal to n+sod(n) for n = 80354399 and 80354408.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12312 + ... + 17671.

It is an arithmetic number, because the mean of its divisors is an integer number (5734440).

Almost surely, 2^80354440 is an apocalyptic number.

It is an amenable number.

80354440 is an abundant number, since it is smaller than the sum of its proper divisors (103147640).

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

80354440 is a wasteful number, since it uses less digits than its factorization.

80354440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30061 (or 30057 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 80354440 is about 8964.0638105716. The cubic root of 80354440 is about 431.5223487255.

Adding to 80354440 its reverse (4445308), we get a palindrome (84799748).

The spelling of 80354440 in words is "eighty million, three hundred fifty-four thousand, four hundred forty".