240540300212 has 24 divisors (see below), whose sum is σ = 423405996552. Its totient is φ = 119568844800.

The previous prime is 240540300197. The next prime is 240540300227. The reversal of 240540300212 is 212003045042.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (240540300197) and next prime (240540300227).

It can be written as a sum of positive squares in 4 ways, for example, as 78128076196 + 162412224016 = 279514^2 + 403004^2 .

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, 361262 + ... + 782042.

It is an arithmetic number, because the mean of its divisors is an integer number (17641916523).

Almost surely, 2^240540300212 is an apocalyptic number.

It is an amenable number.

240540300212 is a deficient number, since it is larger than the sum of its proper divisors (182865696340).

240540300212 is a wasteful number, since it uses less digits than its factorization.

240540300212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421619 (or 421617 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

Adding to 240540300212 its reverse (212003045042), we get a palindrome (452543345254).

The spelling of 240540300212 in words is "two hundred forty billion, five hundred forty million, three hundred thousand, two hundred twelve".