662049040 has 20 divisors (see below), whose sum is σ = 1539264204. Its totient is φ = 264819584.

The previous prime is 662049013. The next prime is 662049079. The reversal of 662049040 is 40940266.

It can be written as a sum of positive squares in 2 ways, for example, as 107163904 + 554885136 = 10352^2 + 23556^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 662048993 and 662049011.

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, 4137727 + ... + 4137886.

Almost surely, 2^662049040 is an apocalyptic number.

It is an amenable number.

662049040 is an abundant number, since it is smaller than the sum of its proper divisors (877215164).

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

662049040 is a wasteful number, since it uses less digits than its factorization.

662049040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8275626 (or 8275620 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 662049040 is about 25730.3136397518. The cubic root of 662049040 is about 871.5588557846.

The spelling of 662049040 in words is "six hundred sixty-two million, forty-nine thousand, forty".