402415142052 has 192 divisors, whose sum is σ = 1242268876800. Its totient is φ = 98284053120.

The previous prime is 402415142039. The next prime is 402415142083. The reversal of 402415142052 is 250241514204.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1093399 + ... + 1414337.

It is an arithmetic number, because the mean of its divisors is an integer number (6470150400).

Almost surely, 2^402415142052 is an apocalyptic number.

402415142052 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 402415142052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (621134438400).

402415142052 is an abundant number, since it is smaller than the sum of its proper divisors (839853734748).

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

402415142052 is a wasteful number, since it uses less digits than its factorization.

402415142052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321046 (or 321044 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 30.

Adding to 402415142052 its reverse (250241514204), we get a palindrome (652656656256).

The spelling of 402415142052 in words is "four hundred two billion, four hundred fifteen million, one hundred forty-two thousand, fifty-two".