402442348 has 48 divisors (see below), whose sum is σ = 882782208. Its totient is φ = 155952000.

The previous prime is 402442319. The next prime is 402442361. The reversal of 402442348 is 843244204.

402442348 = T₁₉₇ + T₁₉₈ + ... + T₁₃₄₂.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55408 + ... + 62248.

It is an arithmetic number, because the mean of its divisors is an integer number (18391296).

Almost surely, 2^402442348 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 402442348, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (441391104).

402442348 is an abundant number, since it is smaller than the sum of its proper divisors (480339860).

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

402442348 is a wasteful number, since it uses less digits than its factorization.

402442348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7054 (or 7052 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 31.

The square root of 402442348 is about 20060.9657793437. The cubic root of 402442348 is about 738.3028723829.

The spelling of 402442348 in words is "four hundred two million, four hundred forty-two thousand, three hundred forty-eight".