210040634351454 has 16 divisors (see below), whose sum is σ = 420081637261440. Its totient is φ = 70013483357400.

The previous prime is 210040634351389. The next prime is 210040634351477. The reversal of 210040634351454 is 454153436040012.

It is a super-2 number, since 2×210040634351454² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7650472 + ... + 21877179.

It is an arithmetic number, because the mean of its divisors is an integer number (26255102328840).

Almost surely, 2^{210040634351454} is an apocalyptic number.

210040634351454 is an abundant number, since it is smaller than the sum of its proper divisors (210041002909986).

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

210040634351454 is a wasteful number, since it uses less digits than its factorization.

210040634351454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30713215.

The product of its (nonzero) digits is 691200, while the sum is 42.

The spelling of 210040634351454 in words is "two hundred ten trillion, forty billion, six hundred thirty-four million, three hundred fifty-one thousand, four hundred fifty-four".