3632661456 has 40 divisors (see below), whose sum is σ = 9936399744. Its totient is φ = 1139658240.

The previous prime is 3632661451. The next prime is 3632661479. The reversal of 3632661456 is 6541662363.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3632661451) 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, 2225080 + ... + 2226711.

Almost surely, 2^3632661456 is an apocalyptic number.

It is an amenable number.

3632661456 is an abundant number, since it is smaller than the sum of its proper divisors (6303738288).

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

3632661456 is a wasteful number, since it uses less digits than its factorization.

3632661456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4451819 (or 4451813 counting only the distinct ones).

The product of its digits is 466560, while the sum is 42.

The square root of 3632661456 is about 60271.5642405272. The cubic root of 3632661456 is about 1537.2398775218.

The spelling of 3632661456 in words is "three billion, six hundred thirty-two million, six hundred sixty-one thousand, four hundred fifty-six".