80922240 has 320 divisors, whose sum is σ = 331752960. Its totient is φ = 18413568.

The previous prime is 80922229. The next prime is 80922251. The reversal of 80922240 is 4222908.

It is an interprime number because it is at equal distance from previous prime (80922229) and next prime (80922251).

It is a tau number, because it is divible by the number of its divisors (320).

It is a super-3 number, since 3×80922240³ (a number of 25 digits) contains 333 as substring.

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, 362769 + ... + 362991.

It is an arithmetic number, because the mean of its divisors is an integer number (1036728).

Almost surely, 2^80922240 is an apocalyptic number.

80922240 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 80922240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165876480).

80922240 is an abundant number, since it is smaller than the sum of its proper divisors (250830720).

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

80922240 is a wasteful number, since it uses less digits than its factorization.

80922240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261 (or 240 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 80922240 is about 8995.6789627020. The cubic root of 80922240 is about 432.5363708039.

The spelling of 80922240 in words is "eighty million, nine hundred twenty-two thousand, two hundred forty".