242420590 has 32 divisors (see below), whose sum is σ = 447775776. Its totient is φ = 94464000.

The previous prime is 242420567. The next prime is 242420593. The reversal of 242420590 is 95024242.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242420593) 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, 58590 + ... + 62590.

It is an arithmetic number, because the mean of its divisors is an integer number (13992993).

Almost surely, 2^242420590 is an apocalyptic number.

242420590 is a deficient number, since it is larger than the sum of its proper divisors (205355186).

242420590 is a wasteful number, since it uses less digits than its factorization.

242420590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4164.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 242420590 is about 15569.8615921915. The cubic root of 242420590 is about 623.5287763188.

The spelling of 242420590 in words is "two hundred forty-two million, four hundred twenty thousand, five hundred ninety".