211362442440 has 64 divisors (see below), whose sum is σ = 643551341760. Its totient is φ = 55522072320.

The previous prime is 211362442339. The next prime is 211362442457. The reversal of 211362442440 is 44244263112.

211362442440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13136391 + ... + 13152470.

It is an arithmetic number, because the mean of its divisors is an integer number (10055489715).

Almost surely, 2^211362442440 is an apocalyptic number.

211362442440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211362442440 is an abundant number, since it is smaller than the sum of its proper divisors (432188899320).

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

211362442440 is a wasteful number, since it uses less digits than its factorization.

211362442440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26288942 (or 26288938 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 33.

The spelling of 211362442440 in words is "two hundred eleven billion, three hundred sixty-two million, four hundred forty-two thousand, four hundred forty".