242040006 has 24 divisors (see below), whose sum is σ = 564760560. Its totient is φ = 74473776.

The previous prime is 242039969. The next prime is 242040023. The reversal of 242040006 is 600040242.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 516946 + ... + 517413.

It is an arithmetic number, because the mean of its divisors is an integer number (23531690).

Almost surely, 2^242040006 is an apocalyptic number.

242040006 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

242040006 is an abundant number, since it is smaller than the sum of its proper divisors (322720554).

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

242040006 is a wasteful number, since it uses less digits than its factorization.

242040006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1034380 (or 1034377 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 242040006 is about 15557.6349745069. The cubic root of 242040006 is about 623.2023060184.

Adding to 242040006 its reverse (600040242), we get a palindrome (842080248).

The spelling of 242040006 in words is "two hundred forty-two million, forty thousand, six".