2043556553402 has 128 divisors (see below), whose sum is σ = 3980456460288. Its totient is φ = 765264672000.

The previous prime is 2043556553399. The next prime is 2043556553417.

2043556553402 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×2043556553402² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 47275283 + ... + 47318489.

It is an arithmetic number, because the mean of its divisors is an integer number (31097316096).

Almost surely, 2^{2043556553402} is an apocalyptic number.

2043556553402 is a deficient number, since it is larger than the sum of its proper divisors (1936899906886).

2043556553402 is a wasteful number, since it uses less digits than its factorization.

2043556553402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43444.

The product of its (nonzero) digits is 2160000, while the sum is 44.

The spelling of 2043556553402 in words is "two trillion, forty-three billion, five hundred fifty-six million, five hundred fifty-three thousand, four hundred two".