3505400540 has 24 divisors (see below), whose sum is σ = 7366146480. Its totient is φ = 1401244928.

The previous prime is 3505400539. The next prime is 3505400543. The reversal of 3505400540 is 450045053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3505400543) 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, 25370 + ... + 87489.

It is an arithmetic number, because the mean of its divisors is an integer number (306922770).

Almost surely, 2^3505400540 is an apocalyptic number.

It is an amenable number.

3505400540 is an abundant number, since it is smaller than the sum of its proper divisors (3860745940).

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

3505400540 is a wasteful number, since it uses less digits than its factorization.

3505400540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114421 (or 114419 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 26.

The square root of 3505400540 is about 59206.4231312786. The cubic root of 3505400540 is about 1519.0749998760.

Adding to 3505400540 its reverse (450045053), we get a palindrome (3955445593).

The spelling of 3505400540 in words is "three billion, five hundred five million, four hundred thousand, five hundred forty".