80274240 has 280 divisors, whose sum is σ = 302422560. Its totient is φ = 20155392.

The previous prime is 80274239. The next prime is 80274247. The reversal of 80274240 is 4247208.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80274247) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 492399 + ... + 492561.

Almost surely, 2^80274240 is an apocalyptic number.

80274240 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80274240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151211280).

80274240 is an abundant number, since it is smaller than the sum of its proper divisors (222148320).

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

80274240 is a wasteful number, since it uses less digits than its factorization.

80274240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211 (or 192 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 27.

The square root of 80274240 is about 8959.5892763006. The cubic root of 80274240 is about 431.3787366130.

The spelling of 80274240 in words is "eighty million, two hundred seventy-four thousand, two hundred forty".