402043152 has 80 divisors (see below), whose sum is σ = 1197601920. Its totient is φ = 113842176.

The previous prime is 402043141. The next prime is 402043181. The reversal of 402043152 is 251340204.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32674 + ... + 43262.

It is an arithmetic number, because the mean of its divisors is an integer number (14970024).

Almost surely, 2^402043152 is an apocalyptic number.

402043152 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 402043152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (598800960).

402043152 is an abundant number, since it is smaller than the sum of its proper divisors (795558768).

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

402043152 is a wasteful number, since it uses less digits than its factorization.

402043152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10720 (or 10714 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 402043152 is about 20051.0137399584. The cubic root of 402043152 is about 738.0586758674.

Adding to 402043152 its reverse (251340204), we get a palindrome (653383356).

The spelling of 402043152 in words is "four hundred two million, forty-three thousand, one hundred fifty-two".