655451632 has 20 divisors (see below), whose sum is σ = 1385386776. Its totient is φ = 297932480.

The previous prime is 655451627. The next prime is 655451653. The reversal of 655451632 is 236154556.

It is a junction number, because it is equal to n+sod(n) for n = 655451591 and 655451600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1861903 + ... + 1862254.

Almost surely, 2^655451632 is an apocalyptic number.

It is an amenable number.

655451632 is an abundant number, since it is smaller than the sum of its proper divisors (729935144).

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

655451632 is a wasteful number, since it uses less digits than its factorization.

655451632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3724176 (or 3724170 counting only the distinct ones).

The product of its digits is 108000, while the sum is 37.

The square root of 655451632 is about 25601.7896249461. The cubic root of 655451632 is about 868.6541184177.

The spelling of 655451632 in words is "six hundred fifty-five million, four hundred fifty-one thousand, six hundred thirty-two".