35821040 has 40 divisors (see below), whose sum is σ = 88186320. Its totient is φ = 13485056.

The previous prime is 35821039. The next prime is 35821063. The reversal of 35821040 is 4012853.

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 = 35820997 and 35821015.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11810 + ... + 14529.

It is an arithmetic number, because the mean of its divisors is an integer number (2204658).

Almost surely, 2^35821040 is an apocalyptic number.

It is an amenable number.

35821040 is an abundant number, since it is smaller than the sum of its proper divisors (52365280).

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

35821040 is a wasteful number, since it uses less digits than its factorization.

35821040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26369 (or 26363 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 35821040 is about 5985.0680864966. The cubic root of 35821040 is about 329.6446741689.

Adding to 35821040 its reverse (4012853), we get a palindrome (39833893).

The spelling of 35821040 in words is "thirty-five million, eight hundred twenty-one thousand, forty".