402144502073 has 16 divisors (see below), whose sum is σ = 411968304384. Its totient is φ = 392475110400.

The previous prime is 402144502043. The next prime is 402144502079. The reversal of 402144502073 is 370205441204.

It is a cyclic number.

It is not a de Polignac number, because 402144502073 - 2²⁰ = 402143453497 is a prime.

It is a super-2 number, since 2×402144502073² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402144502079) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1906436 + ... + 2106842.

It is an arithmetic number, because the mean of its divisors is an integer number (25748019024).

Almost surely, 2^402144502073 is an apocalyptic number.

It is an amenable number.

402144502073 is a deficient number, since it is larger than the sum of its proper divisors (9823802311).

402144502073 is a wasteful number, since it uses less digits than its factorization.

402144502073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200792.

The product of its (nonzero) digits is 26880, while the sum is 32.

Adding to 402144502073 its reverse (370205441204), we get a palindrome (772349943277).

The spelling of 402144502073 in words is "four hundred two billion, one hundred forty-four million, five hundred two thousand, seventy-three".