80274040 has 128 divisors (see below), whose sum is σ = 229132800. Its totient is φ = 24583680.

The previous prime is 80274037. The next prime is 80274041. The reversal of 80274040 is 4047208.

It is a junction number, because it is equal to n+sod(n) for n = 80273996 and 80274014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80274041) 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, 206166 + ... + 206554.

It is an arithmetic number, because the mean of its divisors is an integer number (1790100).

Almost surely, 2^80274040 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 80274040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114566400).

80274040 is an abundant number, since it is smaller than the sum of its proper divisors (148858760).

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

80274040 is a wasteful number, since it uses less digits than its factorization.

80274040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485 (or 481 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 80274040 is about 8959.5781150677. The cubic root of 80274040 is about 431.3783783585.

The spelling of 80274040 in words is "eighty million, two hundred seventy-four thousand, forty".