1035213440 has 64 divisors (see below), whose sum is σ = 2582444160. Its totient is φ = 396076032.

The previous prime is 1035213427. The next prime is 1035213451. The reversal of 1035213440 is 443125301.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 20444 + ... + 49883.

It is an arithmetic number, because the mean of its divisors is an integer number (40350690).

Almost surely, 2^1035213440 is an apocalyptic number.

1035213440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1035213440 is an abundant number, since it is smaller than the sum of its proper divisors (1547230720).

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

1035213440 is an equidigital number, since it uses as much as digits as its factorization.

1035213440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70369 (or 70357 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1035213440 is about 32174.7329437246. The cubic root of 1035213440 is about 1011.6026707077.

Adding to 1035213440 its reverse (443125301), we get a palindrome (1478338741).

The spelling of 1035213440 in words is "one billion, thirty-five million, two hundred thirteen thousand, four hundred forty".