242797590 has 48 divisors (see below), whose sum is σ = 721457568. Its totient is φ = 55496448.

The previous prime is 242797427. The next prime is 242797603. The reversal of 242797590 is 95797242.

242797590 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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 23 ways as a sum of consecutive naturals, for example, 192067 + ... + 193326.

It is an arithmetic number, because the mean of its divisors is an integer number (15030366).

Almost surely, 2^242797590 is an apocalyptic number.

242797590 is an abundant number, since it is smaller than the sum of its proper divisors (478659978).

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

242797590 is a wasteful number, since it uses less digits than its factorization.

242797590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385413 (or 385410 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The square root of 242797590 is about 15581.9636118174. The cubic root of 242797590 is about 623.8518355076.

The spelling of 242797590 in words is "two hundred forty-two million, seven hundred ninety-seven thousand, five hundred ninety".