402113500 has 48 divisors (see below), whose sum is σ = 887376672. Its totient is φ = 159168000.

The previous prime is 402113489. The next prime is 402113501. The reversal of 402113500 is 5311204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402113501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44355 + ... + 52645.

It is an arithmetic number, because the mean of its divisors is an integer number (18487014).

Almost surely, 2^402113500 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 402113500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (443688336).

402113500 is an abundant number, since it is smaller than the sum of its proper divisors (485263172).

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

402113500 is a wasteful number, since it uses less digits than its factorization.

402113500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8407 (or 8395 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 402113500 is about 20052.7678887479. The cubic root of 402113500 is about 738.1017209348.

Adding to 402113500 its reverse (5311204), we get a palindrome (407424704).

The spelling of 402113500 in words is "four hundred two million, one hundred thirteen thousand, five hundred".