662254542 has 20 divisors (see below), whose sum is σ = 1483941096. Its totient is φ = 220751460.

The previous prime is 662254531. The next prime is 662254543. The reversal of 662254542 is 245452266.

662254542 is a `hidden beast` number, since 6 + 62 + 2 + 54 + 542 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 662254497 and 662254506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662254543) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2043834 + ... + 2044157.

Almost surely, 2^662254542 is an apocalyptic number.

662254542 is an abundant number, since it is smaller than the sum of its proper divisors (821686554).

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

662254542 is a wasteful number, since it uses less digits than its factorization.

662254542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4088005 (or 4087996 counting only the distinct ones).

The product of its digits is 115200, while the sum is 36.

The square root of 662254542 is about 25734.3067130242. The cubic root of 662254542 is about 871.6490246133.

The spelling of 662254542 in words is "six hundred sixty-two million, two hundred fifty-four thousand, five hundred forty-two".