402005133432 has 64 divisors (see below), whose sum is σ = 1276206777600. Its totient is φ = 114858609120.

The previous prime is 402005133371. The next prime is 402005133451. The reversal of 402005133432 is 234331500204.

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

It is a junction number, because it is equal to n+sod(n) for n = 402005133396 and 402005133405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132936694 + ... + 132939717.

It is an arithmetic number, because the mean of its divisors is an integer number (19940730900).

Almost surely, 2^402005133432 is an apocalyptic number.

402005133432 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

402005133432 is an abundant number, since it is smaller than the sum of its proper divisors (874201644168).

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

402005133432 is a wasteful number, since it uses less digits than its factorization.

402005133432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265876433 (or 265876423 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

Adding to 402005133432 its reverse (234331500204), we get a palindrome (636336633636).

The spelling of 402005133432 in words is "four hundred two billion, five million, one hundred thirty-three thousand, four hundred thirty-two".