400202545555 has 8 divisors (see below), whose sum is σ = 493222596912. Its totient is φ = 311509008288.

The previous prime is 400202545537. The next prime is 400202545597. The reversal of 400202545555 is 555545202004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 400202545555 - 2¹⁹ = 400202021267 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian 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 7 ways as a sum of consecutive naturals, for example, 1081628317 + ... + 1081628686.

It is an arithmetic number, because the mean of its divisors is an integer number (61652824614).

Almost surely, 2^400202545555 is an apocalyptic number.

400202545555 is a deficient number, since it is larger than the sum of its proper divisors (93020051357).

400202545555 is a wasteful number, since it uses less digits than its factorization.

400202545555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2163257045.

The product of its (nonzero) digits is 200000, while the sum is 37.

Adding to 400202545555 its reverse (555545202004), we get a palindrome (955747747559).

The spelling of 400202545555 in words is "four hundred billion, two hundred two million, five hundred forty-five thousand, five hundred fifty-five".