662032540 has 96 divisors (see below), whose sum is σ = 1543147200. Its totient is φ = 237060096.

The previous prime is 662032531. The next prime is 662032541. The reversal of 662032540 is 45230266.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 662032499 and 662032508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662032541) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1474236 + ... + 1474684.

It is an arithmetic number, because the mean of its divisors is an integer number (16074450).

Almost surely, 2^662032540 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 662032540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (771573600).

662032540 is an abundant number, since it is smaller than the sum of its proper divisors (881114660).

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

662032540 is a wasteful number, since it uses less digits than its factorization.

662032540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631 (or 629 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 662032540 is about 25729.9930042742. The cubic root of 662032540 is about 871.5516152129.

The spelling of 662032540 in words is "six hundred sixty-two million, thirty-two thousand, five hundred forty".