402215332050 has 384 divisors, whose sum is σ = 1332669703680. Its totient is φ = 87265382400.

The previous prime is 402215332049. The next prime is 402215332063. The reversal of 402215332050 is 50233512204.

It is a happy number.

402215332050 is a `hidden beast` number, since 40 + 2 + 21 + 533 + 20 + 50 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 14321622 + ... + 14349678.

It is an arithmetic number, because the mean of its divisors is an integer number (3470494020).

Almost surely, 2^402215332050 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 402215332050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (666334851840).

402215332050 is an abundant number, since it is smaller than the sum of its proper divisors (930454371630).

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

402215332050 is a wasteful number, since it uses less digits than its factorization.

402215332050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28163 (or 28152 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

Adding to 402215332050 its reverse (50233512204), we get a palindrome (452448844254).

The spelling of 402215332050 in words is "four hundred two billion, two hundred fifteen million, three hundred thirty-two thousand, fifty".