80400441 has 24 divisors (see below), whose sum is σ = 121159584. Its totient is φ = 47031040.

The previous prime is 80400431. The next prime is 80400443. The reversal of 80400441 is 14400408.

It is not a de Polignac number, because 80400441 - 2¹¹ = 80398393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80400443) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26305 + ... + 29201.

It is an arithmetic number, because the mean of its divisors is an integer number (5048316).

Almost surely, 2^80400441 is an apocalyptic number.

It is an amenable number.

80400441 is a deficient number, since it is larger than the sum of its proper divisors (40759143).

80400441 is a wasteful number, since it uses less digits than its factorization.

80400441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2969 (or 2940 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 80400441 is about 8966.6292997982. The cubic root of 80400441 is about 431.6046784337.

Adding to 80400441 its reverse (14400408), we get a palindrome (94800849).

The spelling of 80400441 in words is "eighty million, four hundred thousand, four hundred forty-one".