3505440402 has 40 divisors (see below), whose sum is σ = 7972043376. Its totient is φ = 1151036568.

The previous prime is 3505440361. The next prime is 3505440439. The reversal of 3505440402 is 2040445053.

It is a super-2 number, since 2×3505440402² = 24576224823947843208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 150628 + ... + 172335.

Almost surely, 2^3505440402 is an apocalyptic number.

3505440402 is an abundant number, since it is smaller than the sum of its proper divisors (4466602974).

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

3505440402 is a wasteful number, since it uses less digits than its factorization.

3505440402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323044 (or 323035 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 3505440402 is about 59206.7597660943. The cubic root of 3505440402 is about 1519.0807579567.

Adding to 3505440402 its reverse (2040445053), we get a palindrome (5545885455).

The spelling of 3505440402 in words is "three billion, five hundred five million, four hundred forty thousand, four hundred two".