826422380 has 48 divisors (see below), whose sum is σ = 2037032256. Its totient is φ = 275685120.

The previous prime is 826422353. The next prime is 826422383. The reversal of 826422380 is 83224628.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 826422380.

It is not an unprimeable number, because it can be changed into a prime (826422383) 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, 74591 + ... + 84950.

It is an arithmetic number, because the mean of its divisors is an integer number (42438172).

Almost surely, 2^826422380 is an apocalyptic number.

It is an amenable number.

826422380 is an abundant number, since it is smaller than the sum of its proper divisors (1210609876).

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

826422380 is a wasteful number, since it uses less digits than its factorization.

826422380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159594 (or 159592 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 35.

The square root of 826422380 is about 28747.5630271507. The cubic root of 826422380 is about 938.4274219194.

The spelling of 826422380 in words is "eight hundred twenty-six million, four hundred twenty-two thousand, three hundred eighty".