210036451005442 has 32 divisors (see below), whose sum is σ = 331739987086080. Its totient is φ = 99459908119440.

The previous prime is 210036451005389. The next prime is 210036451005449. The reversal of 210036451005442 is 244500154630012.

It is a super-2 number, since 2×210036451005442² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (210036451005449) 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, 3138070717 + ... + 3138137647.

It is an arithmetic number, because the mean of its divisors is an integer number (10366874596440).

Almost surely, 2^{210036451005442} is an apocalyptic number.

210036451005442 is a deficient number, since it is larger than the sum of its proper divisors (121703536080638).

210036451005442 is a wasteful number, since it uses less digits than its factorization.

210036451005442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91486.

The product of its (nonzero) digits is 115200, while the sum is 37.

The spelling of 210036451005442 in words is "two hundred ten trillion, thirty-six billion, four hundred fifty-one million, five thousand, four hundred forty-two".