35290240 has 64 divisors (see below), whose sum is σ = 85728960. Its totient is φ = 13888512.

The previous prime is 35290223. The next prime is 35290253. The reversal of 35290240 is 4209253.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42469 + ... + 43291.

It is an arithmetic number, because the mean of its divisors is an integer number (1339515).

Almost surely, 2^35290240 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 35290240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42864480).

35290240 is an abundant number, since it is smaller than the sum of its proper divisors (50438720).

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

35290240 is an equidigital number, since it uses as much as digits as its factorization.

With its successor (35290241) it forms a Ruth-Aaron pair, since the sum of their prime factors is the same (909).

35290240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909 (or 897 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 35290240 is about 5940.5588962656. The cubic root of 35290240 is about 328.0083281645.

Adding to 35290240 its reverse (4209253), we get a palindrome (39499493).

The spelling of 35290240 in words is "thirty-five million, two hundred ninety thousand, two hundred forty".