35641040 has 40 divisors (see below), whose sum is σ = 84637440. Its totient is φ = 13951616.

The previous prime is 35641033. The next prime is 35641049. The reversal of 35641040 is 4014653.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 35640997 and 35641015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (35641049) 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, 980 + ... + 8499.

It is an arithmetic number, because the mean of its divisors is an integer number (2115936).

Almost surely, 2^35641040 is an apocalyptic number.

It is an amenable number.

35641040 is an abundant number, since it is smaller than the sum of its proper divisors (48996400).

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

35641040 is a wasteful number, since it uses less digits than its factorization.

35641040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9539 (or 9533 counting only the distinct ones).

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

The square root of 35641040 is about 5970.0117252816. The cubic root of 35641040 is about 329.0915941243.

Adding to 35641040 its reverse (4014653), we get a palindrome (39655693).

The spelling of 35641040 in words is "thirty-five million, six hundred forty-one thousand, forty".