3425376640 has 64 divisors (see below), whose sum is σ = 9358630560. Its totient is φ = 1174413312.

The previous prime is 3425376593. The next prime is 3425376649. The reversal of 3425376640 is 466735243.

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

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 3425376593 and 3425376602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3425376649) 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, 377817 + ... + 386776.

Almost surely, 2^3425376640 is an apocalyptic number.

It is an amenable number.

3425376640 is an abundant number, since it is smaller than the sum of its proper divisors (5933253920).

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

3425376640 is an equidigital number, since it uses as much as digits as its factorization.

3425376640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 764619 (or 764607 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 40.

The square root of 3425376640 is about 58526.7173178199. The cubic root of 3425376640 is about 1507.4263778564.

The spelling of 3425376640 in words is "three billion, four hundred twenty-five million, three hundred seventy-six thousand, six hundred forty".