242002420401 has 16 divisors (see below), whose sum is σ = 375015859200. Its totient is φ = 135943247568.

The previous prime is 242002420393. The next prime is 242002420411. The reversal of 242002420401 is 104024200242.

It is not a de Polignac number, because 242002420401 - 2³ = 242002420393 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (242002420411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97659141 + ... + 97661618.

It is an arithmetic number, because the mean of its divisors is an integer number (23438491200).

Almost surely, 2^242002420401 is an apocalyptic number.

242002420401 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

242002420401 is a deficient number, since it is larger than the sum of its proper divisors (133013438799).

242002420401 is a wasteful number, since it uses less digits than its factorization.

242002420401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195320828.

The product of its (nonzero) digits is 1024, while the sum is 21.

Adding to 242002420401 its reverse (104024200242), we get a palindrome (346026620643).

The spelling of 242002420401 in words is "two hundred forty-two billion, two million, four hundred twenty thousand, four hundred one".