2043540453402 has 24 divisors (see below), whose sum is σ = 5060195408736. Its totient is φ = 583868700936.

The previous prime is 2043540453379. The next prime is 2043540453419.

2043540453402 is a `hidden beast` number, since 2 + 0 + 43 + 540 + 45 + 34 + 0 + 2 = 666.

2043540453402 is nontrivially palindromic in base 10.

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 11 ways as a sum of consecutive naturals, for example, 8109287388 + ... + 8109287639.

It is an arithmetic number, because the mean of its divisors is an integer number (210841475364).

Almost surely, 2^{2043540453402} is an apocalyptic number.

2043540453402 is an abundant number, since it is smaller than the sum of its proper divisors (3016654955334).

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

2043540453402 is a wasteful number, since it uses less digits than its factorization.

2043540453402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16218575042 (or 16218575039 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 36.

It can be divided in two parts, 2043540 and 453402, that added together give a palindrome (2496942).

The spelling of 2043540453402 in words is "two trillion, forty-three billion, five hundred forty million, four hundred fifty-three thousand, four hundred two".