242357485374642 has 64 divisors (see below), whose sum is σ = 553525237260288. Its totient is φ = 70071554112000.

The previous prime is 242357485374617. The next prime is 242357485374643. The reversal of 242357485374642 is 246473584753242.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is not an unprimeable number, because it can be changed into a prime (242357485374643) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 834039903 + ... + 834330434.

It is an arithmetic number, because the mean of its divisors is an integer number (8648831832192).

Almost surely, 2^{242357485374642} is an apocalyptic number.

242357485374642 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

242357485374642 is an abundant number, since it is smaller than the sum of its proper divisors (311167751885646).

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

242357485374642 is a wasteful number, since it uses less digits than its factorization.

242357485374642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1668370455.

The product of its digits is 1083801600, while the sum is 66.

The spelling of 242357485374642 in words is "two hundred forty-two trillion, three hundred fifty-seven billion, four hundred eighty-five million, three hundred seventy-four thousand, six hundred forty-two".