40641035 has 16 divisors (see below), whose sum is σ = 50703840. Its totient is φ = 31234560.

The previous prime is 40641017. The next prime is 40641037. The reversal of 40641035 is 53014604.

It is a happy number.

It is not a de Polignac number, because 40641035 - 2²⁰ = 39592459 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40641035.

It is not an unprimeable number, because it can be changed into a prime (40641037) 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, 34364 + ... + 35526.

It is an arithmetic number, because the mean of its divisors is an integer number (3168990).

Almost surely, 2^40641035 is an apocalyptic number.

40641035 is a deficient number, since it is larger than the sum of its proper divisors (10062805).

40641035 is a wasteful number, since it uses less digits than its factorization.

40641035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1438.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 40641035 is about 6375.0321567816. The cubic root of 40641035 is about 343.8124400073.

Adding to 40641035 its reverse (53014604), we get a palindrome (93655639).

The spelling of 40641035 in words is "forty million, six hundred forty-one thousand, thirty-five".