1040435215 has 8 divisors (see below), whose sum is σ = 1268990208. Its totient is φ = 818702880.

The previous prime is 1040435213. The next prime is 1040435243. The reversal of 1040435215 is 5125340401.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1040435215 - 2¹ = 1040435213 is a prime.

It is a super-2 number, since 2×1040435215² = 2165010873224192450, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1040435215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040435213) 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, 1705327 + ... + 1705936.

It is an arithmetic number, because the mean of its divisors is an integer number (158623776).

Almost surely, 2^1040435215 is an apocalyptic number.

1040435215 is a deficient number, since it is larger than the sum of its proper divisors (228554993).

1040435215 is an equidigital number, since it uses as much as digits as its factorization.

1040435215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3411329.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1040435215 is about 32255.7780095288. The cubic root of 1040435215 is about 1013.3007117293.

Adding to 1040435215 its reverse (5125340401), we get a palindrome (6165775616).

The spelling of 1040435215 in words is "one billion, forty million, four hundred thirty-five thousand, two hundred fifteen".