3200400340 has 24 divisors (see below), whose sum is σ = 6736030560. Its totient is φ = 1277266848.

The previous prime is 3200400253. The next prime is 3200400341. The reversal of 3200400340 is 430040023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3200400341) 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, 171750 + ... + 189469.

It is an arithmetic number, because the mean of its divisors is an integer number (280667940).

Almost surely, 2^3200400340 is an apocalyptic number.

It is an amenable number.

3200400340 is an abundant number, since it is smaller than the sum of its proper divisors (3535630220).

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

3200400340 is a wasteful number, since it uses less digits than its factorization.

3200400340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361671 (or 361669 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 3200400340 is about 56572.0809233671. The cubic root of 3200400340 is about 1473.6740496091.

Adding to 3200400340 its reverse (430040023), we get a palindrome (3630440363).

The spelling of 3200400340 in words is "three billion, two hundred million, four hundred thousand, three hundred forty".