40345104 has 20 divisors (see below), whose sum is σ = 104224976. Its totient is φ = 13448352.

The previous prime is 40345103. The next prime is 40345139. The reversal of 40345104 is 40154304.

It is not an unprimeable number, because it can be changed into a prime (40345103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 420214 + ... + 420309.

Almost surely, 2^40345104 is an apocalyptic number.

It is an amenable number.

40345104 is an abundant number, since it is smaller than the sum of its proper divisors (63879872).

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

40345104 is a wasteful number, since it uses less digits than its factorization.

40345104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 840534 (or 840528 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 40345104 is about 6351.7795931534. The cubic root of 40345104 is about 342.9759068719.

Adding to 40345104 its reverse (40154304), we get a palindrome (80499408).

The spelling of 40345104 in words is "forty million, three hundred forty-five thousand, one hundred four".