402316250490 has 288 divisors, whose sum is σ = 1362685484160. Its totient is φ = 83597754240.

The previous prime is 402316250489. The next prime is 402316250491. The reversal of 402316250490 is 94052613204.

It is a happy number.

402316250490 is a `hidden beast` number, since 4 + 0 + 2 + 3 + 1 + 62 + 504 + 90 = 666.

402316250490 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (402316250489) and next prime (402316250491).

It is not an unprimeable number, because it can be changed into a prime (402316250491) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1960476 + ... + 2155944.

It is an arithmetic number, because the mean of its divisors is an integer number (4731546820).

Almost surely, 2^402316250490 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 402316250490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (681342742080).

402316250490 is an abundant number, since it is smaller than the sum of its proper divisors (960369233670).

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

402316250490 is a wasteful number, since it uses less digits than its factorization.

402316250490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195520 (or 195497 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

Adding to 402316250490 its reverse (94052613204), we get a palindrome (496368863694).

The spelling of 402316250490 in words is "four hundred two billion, three hundred sixteen million, two hundred fifty thousand, four hundred ninety".