242733291840 has 224 divisors, whose sum is σ = 922179471360. Its totient is φ = 59749705728.

The previous prime is 242733291839. The next prime is 242733291863. The reversal of 242733291840 is 48192337242.

242733291840 is a `hidden beast` number, since 2 + 4 + 273 + 329 + 18 + 40 = 666.

It is a super-2 number, since 2×242733291840² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 968224 + ... + 1192863.

It is an arithmetic number, because the mean of its divisors is an integer number (4116872640).

Almost surely, 2^242733291840 is an apocalyptic number.

242733291840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242733291840 is an abundant number, since it is smaller than the sum of its proper divisors (679446179520).

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

242733291840 is a wasteful number, since it uses less digits than its factorization.

242733291840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2161126 (or 2161110 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The spelling of 242733291840 in words is "two hundred forty-two billion, seven hundred thirty-three million, two hundred ninety-one thousand, eight hundred forty".