4345200040 has 32 divisors (see below), whose sum is σ = 9813069000. Its totient is φ = 1731614464.

The previous prime is 4345200037. The next prime is 4345200053. The reversal of 4345200040 is 400025434.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2631074436 + 1714125604 = 51294^2 + 41402^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4345199984 and 4345200020.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191155 + ... + 212674.

Almost surely, 2^4345200040 is an apocalyptic number.

4345200040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4345200040 is an abundant number, since it is smaller than the sum of its proper divisors (5467868960).

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

4345200040 is a wasteful number, since it uses less digits than its factorization.

4345200040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404109 (or 404105 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 4345200040 is about 65918.1313448735. The cubic root of 4345200040 is about 1631.8112576885.

Adding to 4345200040 its reverse (400025434), we get a palindrome (4745225474).

The spelling of 4345200040 in words is "four billion, three hundred forty-five million, two hundred thousand, forty".