1042635264 has 160 divisors (see below), whose sum is σ = 3163083264. Its totient is φ = 302100480.

The previous prime is 1042635257. The next prime is 1042635271. The reversal of 1042635264 is 4625362401.

It is an interprime number because it is at equal distance from previous prime (1042635257) and next prime (1042635271).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 387267 + ... + 389949.

Almost surely, 2^1042635264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1042635264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1581541632).

1042635264 is an abundant number, since it is smaller than the sum of its proper divisors (2120448000).

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

1042635264 is a wasteful number, since it uses less digits than its factorization.

1042635264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2738 (or 2722 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 1042635264 is about 32289.8631771644. The cubic root of 1042635264 is about 1014.0144328404.

Adding to 1042635264 its reverse (4625362401), we get a palindrome (5667997665).

The spelling of 1042635264 in words is "one billion, forty-two million, six hundred thirty-five thousand, two hundred sixty-four".