242747741920 has 48 divisors (see below), whose sum is σ = 591991279488. Its totient is φ = 93966865920.

The previous prime is 242747741839. The next prime is 242747741923. The reversal of 242747741920 is 29147747242.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242747741923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24465579 + ... + 24475498.

It is an arithmetic number, because the mean of its divisors is an integer number (12333151656).

Almost surely, 2^242747741920 is an apocalyptic number.

242747741920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242747741920 is an abundant number, since it is smaller than the sum of its proper divisors (349243537568).

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

242747741920 is a wasteful number, since it uses less digits than its factorization.

242747741920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48941123 (or 48941115 counting only the distinct ones).

The product of its (nonzero) digits is 1580544, while the sum is 49.

The spelling of 242747741920 in words is "two hundred forty-two billion, seven hundred forty-seven million, seven hundred forty-one thousand, nine hundred twenty".