242628534 has 20 divisors (see below), whose sum is σ = 543668004. Its totient is φ = 80876124.

The previous prime is 242628527. The next prime is 242628553. The reversal of 242628534 is 435826242.

242628534 is a `hidden beast` number, since 24 + 2 + 628 + 5 + 3 + 4 = 666.

242628534 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 748692 + ... + 749015.

Almost surely, 2^242628534 is an apocalyptic number.

242628534 is an abundant number, since it is smaller than the sum of its proper divisors (301039470).

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

242628534 is a wasteful number, since it uses less digits than its factorization.

242628534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1497721 (or 1497712 counting only the distinct ones).

The product of its digits is 92160, while the sum is 36.

The square root of 242628534 is about 15576.5379337002. The cubic root of 242628534 is about 623.7070092712.

The spelling of 242628534 in words is "two hundred forty-two million, six hundred twenty-eight thousand, five hundred thirty-four".