242177240 has 32 divisors (see below), whose sum is σ = 576953280. Its totient is φ = 91172352.

The previous prime is 242177233. The next prime is 242177251. The reversal of 242177240 is 42771242.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177392 + ... + 178751.

It is an arithmetic number, because the mean of its divisors is an integer number (18029790).

Almost surely, 2^242177240 is an apocalyptic number.

242177240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242177240 is an abundant number, since it is smaller than the sum of its proper divisors (334776040).

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

242177240 is a wasteful number, since it uses less digits than its factorization.

242177240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356171 (or 356167 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 29.

The square root of 242177240 is about 15562.0448527820. The cubic root of 242177240 is about 623.3200666976.

The spelling of 242177240 in words is "two hundred forty-two million, one hundred seventy-seven thousand, two hundred forty".