402043146516 has 120 divisors (see below), whose sum is σ = 1152003615840. Its totient is φ = 121253630400.

The previous prime is 402043146511. The next prime is 402043146551. The reversal of 402043146516 is 615641340204.

402043146516 is a `hidden beast` number, since 40 + 20 + 43 + 1 + 46 + 516 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402043146511) 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 39 ways as a sum of consecutive naturals, for example, 484690 + ... + 1019318.

It is an arithmetic number, because the mean of its divisors is an integer number (9600030132).

Almost surely, 2^402043146516 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 402043146516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (576001807920).

402043146516 is an abundant number, since it is smaller than the sum of its proper divisors (749960469324).

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

402043146516 is a wasteful number, since it uses less digits than its factorization.

402043146516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534867 (or 534856 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The spelling of 402043146516 in words is "four hundred two billion, forty-three million, one hundred forty-six thousand, five hundred sixteen".