80614440 has 160 divisors (see below), whose sum is σ = 274428000. Its totient is φ = 21223296.

The previous prime is 80614439. The next prime is 80614451. The reversal of 80614440 is 4441608.

80614440 is a `hidden beast` number, since 8 + 0 + 614 + 4 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 450271 + ... + 450449.

It is an arithmetic number, because the mean of its divisors is an integer number (1715175).

Almost surely, 2^80614440 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80614440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137214000).

80614440 is an abundant number, since it is smaller than the sum of its proper divisors (193813560).

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

80614440 is a wasteful number, since it uses less digits than its factorization.

80614440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341 (or 328 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 80614440 is about 8978.5544493532. The cubic root of 80614440 is about 431.9872681433.

The spelling of 80614440 in words is "eighty million, six hundred fourteen thousand, four hundred forty".