1029422340 has 36 divisors (see below), whose sum is σ = 3122581644. Its totient is φ = 274512576.

The previous prime is 1029422323. The next prime is 1029422351. The reversal of 1029422340 is 432249201.

1029422340 is a `hidden beast` number, since 10 + 294 + 22 + 340 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 211004676 + 818417664 = 14526^2 + 28608^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2859327 + ... + 2859686.

It is an arithmetic number, because the mean of its divisors is an integer number (86738379).

Almost surely, 2^1029422340 is an apocalyptic number.

1029422340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1029422340 is an abundant number, since it is smaller than the sum of its proper divisors (2093159304).

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

1029422340 is a wasteful number, since it uses less digits than its factorization.

1029422340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5719028 (or 5719023 counting only the distinct ones).

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

The square root of 1029422340 is about 32084.6121996199. The cubic root of 1029422340 is about 1009.7128026999.

The spelling of 1029422340 in words is "one billion, twenty-nine million, four hundred twenty-two thousand, three hundred forty".