822057040 has 80 divisors (see below), whose sum is σ = 2299317120. Its totient is φ = 267010560.

The previous prime is 822057037. The next prime is 822057043. The reversal of 822057040 is 40750228.

822057040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (822057037) and next prime (822057043).

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (822057043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27991 + ... + 49270.

It is an arithmetic number, because the mean of its divisors is an integer number (28741464).

Almost surely, 2^822057040 is an apocalyptic number.

822057040 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

822057040 is an abundant number, since it is smaller than the sum of its proper divisors (1477260080).

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

822057040 is a wasteful number, since it uses less digits than its factorization.

822057040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77300 (or 77294 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 822057040 is about 28671.5371056384. The cubic root of 822057040 is about 936.7721791674.

The spelling of 822057040 in words is "eight hundred twenty-two million, fifty-seven thousand, forty".