3431540040 has 64 divisors (see below), whose sum is σ = 10626716160. Its totient is φ = 885557760.

The previous prime is 3431540033. The next prime is 3431540041. The reversal of 3431540040 is 400451343.

It is a super-2 number, since 2×3431540040² = 23550934092246403200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (3431540041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 457509 + ... + 464948.

It is an arithmetic number, because the mean of its divisors is an integer number (166042440).

Almost surely, 2^3431540040 is an apocalyptic number.

3431540040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3431540040 is an abundant number, since it is smaller than the sum of its proper divisors (7195176120).

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

3431540040 is a wasteful number, since it uses less digits than its factorization.

3431540040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 922502 (or 922498 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 3431540040 is about 58579.3482380950. The cubic root of 3431540040 is about 1508.3299577946.

Adding to 3431540040 its reverse (400451343), we get a palindrome (3831991383).

The spelling of 3431540040 in words is "three billion, four hundred thirty-one million, five hundred forty thousand, forty".