40645110 has 48 divisors (see below), whose sum is σ = 107232048. Its totient is φ = 9852480.

The previous prime is 40645103. The next prime is 40645133. The reversal of 40645110 is 1154604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1969 + ... + 9228.

It is an arithmetic number, because the mean of its divisors is an integer number (2234001).

Almost surely, 2^40645110 is an apocalyptic number.

40645110 is an abundant number, since it is smaller than the sum of its proper divisors (66586938).

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

40645110 is a wasteful number, since it uses less digits than its factorization.

40645110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11229 (or 11218 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 40645110 is about 6375.3517550014. The cubic root of 40645110 is about 343.8239307651.

Adding to 40645110 its reverse (1154604), we get a palindrome (41799714).

It can be divided in two parts, 40645 and 110, that added together give a triangular number (40755 = T₂₈₅).

The spelling of 40645110 in words is "forty million, six hundred forty-five thousand, one hundred ten".