1040302320 has 40 divisors (see below), whose sum is σ = 3224937936. Its totient is φ = 277413888.

The previous prime is 1040302313. The next prime is 1040302327. The reversal of 1040302320 is 232030401.

It is an interprime number because it is at equal distance from previous prime (1040302313) and next prime (1040302327).

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 1040302320.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040302327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2167057 + ... + 2167536.

Almost surely, 2^1040302320 is an apocalyptic number.

1040302320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1040302320 is an abundant number, since it is smaller than the sum of its proper divisors (2184635616).

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

1040302320 is a wasteful number, since it uses less digits than its factorization.

1040302320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4334609 (or 4334603 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 1040302320 is about 32253.7179252253. The cubic root of 1040302320 is about 1013.2575668574.

Adding to 1040302320 its reverse (232030401), we get a palindrome (1272332721).

The spelling of 1040302320 in words is "one billion, forty million, three hundred two thousand, three hundred twenty".