92640240 has 320 divisors, whose sum is σ = 398545920. Its totient is φ = 19215360.

The previous prime is 92640227. The next prime is 92640241. The reversal of 92640240 is 4204629.

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 (92640241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 166042 + ... + 166598.

It is an arithmetic number, because the mean of its divisors is an integer number (1245456).

Almost surely, 2^92640240 is an apocalyptic number.

92640240 is a gapful number since it is divisible by the number (90) 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 92640240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (199272960).

92640240 is an abundant number, since it is smaller than the sum of its proper divisors (305905680).

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

92640240 is a wasteful number, since it uses less digits than its factorization.

92640240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597 (or 585 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 92640240 is about 9624.9799999792. The cubic root of 92640240 is about 452.4805237692.

Adding to 92640240 its reverse (4204629), we get a palindrome (96844869).

The spelling of 92640240 in words is "ninety-two million, six hundred forty thousand, two hundred forty".