80415489 has 32 divisors (see below), whose sum is σ = 134138880. Its totient is φ = 41630400.

The previous prime is 80415481. The next prime is 80415497. The reversal of 80415489 is 98451408.

It is an interprime number because it is at equal distance from previous prime (80415481) and next prime (80415497).

It is not a de Polignac number, because 80415489 - 2³ = 80415481 is a prime.

It is a super-2 number, since 2×80415489² = 12933301742218242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (80415481) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 113067 + ... + 113775.

It is an arithmetic number, because the mean of its divisors is an integer number (4191840).

Almost surely, 2^80415489 is an apocalyptic number.

It is an amenable number.

80415489 is a deficient number, since it is larger than the sum of its proper divisors (53723391).

80415489 is a wasteful number, since it uses less digits than its factorization.

80415489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1221.

The product of its (nonzero) digits is 46080, while the sum is 39.

The square root of 80415489 is about 8967.4683718427. The cubic root of 80415489 is about 431.6316035847.

It can be divided in two parts, 8041 and 5489, that added together give a triangular number (13530 = T₁₆₄).

The spelling of 80415489 in words is "eighty million, four hundred fifteen thousand, four hundred eighty-nine".