242624405 has 16 divisors (see below), whose sum is σ = 295737600. Its totient is φ = 191056320.

The previous prime is 242624399. The next prime is 242624419. The reversal of 242624405 is 504426242.

It is not a de Polignac number, because 242624405 - 2⁶ = 242624341 is a prime.

It is a super-3 number, since 3×242624405³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 165566 + ... + 167024.

It is an arithmetic number, because the mean of its divisors is an integer number (18483600).

Almost surely, 2^242624405 is an apocalyptic number.

It is an amenable number.

242624405 is a deficient number, since it is larger than the sum of its proper divisors (53113195).

242624405 is a wasteful number, since it uses less digits than its factorization.

242624405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1964.

The product of its (nonzero) digits is 15360, while the sum is 29.

The square root of 242624405 is about 15576.4053940567. The cubic root of 242624405 is about 623.7034712141.

The spelling of 242624405 in words is "two hundred forty-two million, six hundred twenty-four thousand, four hundred five".