210155413342 has 48 divisors (see below), whose sum is σ = 380739059712. Its totient is φ = 85133900880.

The previous prime is 210155413289. The next prime is 210155413361. The reversal of 210155413342 is 243314551012.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 671523 + ... + 933409.

It is an arithmetic number, because the mean of its divisors is an integer number (7932063744).

Almost surely, 2^210155413342 is an apocalyptic number.

210155413342 is a deficient number, since it is larger than the sum of its proper divisors (170583646370).

210155413342 is a wasteful number, since it uses less digits than its factorization.

210155413342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262013 (or 261970 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 210155413342 its reverse (243314551012), we get a palindrome (453469964354).

The spelling of 210155413342 in words is "two hundred ten billion, one hundred fifty-five million, four hundred thirteen thousand, three hundred forty-two".