402641104 has 80 divisors (see below), whose sum is σ = 848160000. Its totient is φ = 184730112.

The previous prime is 402641093. The next prime is 402641119. The reversal of 402641104 is 401146204.

It is a congruent number.

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, 806647 + ... + 807145.

It is an arithmetic number, because the mean of its divisors is an integer number (10602000).

Almost surely, 2^402641104 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 402641104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (424080000).

402641104 is an abundant number, since it is smaller than the sum of its proper divisors (445518896).

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

402641104 is a wasteful number, since it uses less digits than its factorization.

402641104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620 (or 614 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 402641104 is about 20065.9189672439. The cubic root of 402641104 is about 738.4243953585.

Adding to 402641104 its reverse (401146204), we get a palindrome (803787308).

The spelling of 402641104 in words is "four hundred two million, six hundred forty-one thousand, one hundred four".