3634456380 has 24 divisors (see below), whose sum is σ = 10176478032. Its totient is φ = 969188352.

The previous prime is 3634456379. The next prime is 3634456451. The reversal of 3634456380 is 836544363.

3634456380 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 30287077 + ... + 30287196.

It is an arithmetic number, because the mean of its divisors is an integer number (424019918).

Almost surely, 2^3634456380 is an apocalyptic number.

3634456380 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3634456380 is an abundant number, since it is smaller than the sum of its proper divisors (6542021652).

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

3634456380 is a wasteful number, since it uses less digits than its factorization.

3634456380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60574285 (or 60574283 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 42.

The square root of 3634456380 is about 60286.4527070552. The cubic root of 3634456380 is about 1537.4930229044.

The spelling of 3634456380 in words is "three billion, six hundred thirty-four million, four hundred fifty-six thousand, three hundred eighty".