35440000 has 80 divisors (see below), whose sum is σ = 88424820. Its totient is φ = 14144000.

The previous prime is 35439961. The next prime is 35440003. The reversal of 35440000 is 4453.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (35440003) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 79779 + ... + 80221.

Almost surely, 2^35440000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 35440000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44212410).

35440000 is an abundant number, since it is smaller than the sum of its proper divisors (52984820).

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

35440000 is an frugal number, since it uses more digits than its factorization.

35440000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477 (or 450 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 35440000 is about 5953.1504264549. The cubic root of 35440000 is about 328.4716593296.

Adding to 35440000 its reverse (4453), we get a palindrome (35444453).

The spelling of 35440000 in words is "thirty-five million, four hundred forty thousand".