3425421640 has 32 divisors (see below), whose sum is σ = 7723068480. Its totient is φ = 1367347392.

The previous prime is 3425421553. The next prime is 3425421661. The reversal of 3425421640 is 461245243.

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, 68442 + ... + 107401.

It is an arithmetic number, because the mean of its divisors is an integer number (241345890).

Almost surely, 2^3425421640 is an apocalyptic number.

It is an amenable number.

3425421640 is an abundant number, since it is smaller than the sum of its proper divisors (4297646840).

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

3425421640 is a wasteful number, since it uses less digits than its factorization.

3425421640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176341 (or 176337 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

The square root of 3425421640 is about 58527.1017563658. The cubic root of 3425421640 is about 1507.4329789690.

Adding to 3425421640 its reverse (461245243), we get a palindrome (3886666883).

The spelling of 3425421640 in words is "three billion, four hundred twenty-five million, four hundred twenty-one thousand, six hundred forty".