242698540 has 48 divisors (see below), whose sum is σ = 598231872. Its totient is φ = 80960256.

The previous prime is 242698529. The next prime is 242698549. The reversal of 242698540 is 45896242.

242698540 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 242698493 and 242698502.

It is not an unprimeable number, because it can be changed into a prime (242698549) 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, 18247 + ... + 28606.

It is an arithmetic number, because the mean of its divisors is an integer number (12463164).

Almost surely, 2^242698540 is an apocalyptic number.

242698540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242698540 is an abundant number, since it is smaller than the sum of its proper divisors (355533332).

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

242698540 is a wasteful number, since it uses less digits than its factorization.

242698540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46906 (or 46904 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 242698540 is about 15578.7849333637. The cubic root of 242698540 is about 623.7669898974.

The spelling of 242698540 in words is "two hundred forty-two million, six hundred ninety-eight thousand, five hundred forty".