3425522640 has 40 divisors (see below), whose sum is σ = 10619120928. Its totient is φ = 913472640.

The previous prime is 3425522629. The next prime is 3425522647. The reversal of 3425522640 is 462255243.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3425522647) 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, 7136266 + ... + 7136745.

Almost surely, 2^3425522640 is an apocalyptic number.

3425522640 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3425522640 is an abundant number, since it is smaller than the sum of its proper divisors (7193598288).

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

3425522640 is a wasteful number, since it uses less digits than its factorization.

3425522640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14273027 (or 14273021 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 33.

The square root of 3425522640 is about 58527.9645981304. The cubic root of 3425522640 is about 1507.4477945888.

Adding to 3425522640 its reverse (462255243), we get a palindrome (3887777883).

The spelling of 3425522640 in words is "three billion, four hundred twenty-five million, five hundred twenty-two thousand, six hundred forty".