402133787418 has 96 divisors (see below), whose sum is σ = 895619545920. Its totient is φ = 119367198720.

The previous prime is 402133787413. The next prime is 402133787423. The reversal of 402133787418 is 814787331204.

It is an interprime number because it is at equal distance from previous prime (402133787413) and next prime (402133787423).

It is not an unprimeable number, because it can be changed into a prime (402133787413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 56980146 + ... + 56987202.

It is an arithmetic number, because the mean of its divisors is an integer number (9329370270).

Almost surely, 2^402133787418 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 402133787418, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (447809772960).

402133787418 is an abundant number, since it is smaller than the sum of its proper divisors (493485758502).

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

402133787418 is a wasteful number, since it uses less digits than its factorization.

402133787418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7360 (or 7271 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 48.

The spelling of 402133787418 in words is "four hundred two billion, one hundred thirty-three million, seven hundred eighty-seven thousand, four hundred eighteen".