402135445200 has 60 divisors (see below), whose sum is σ = 1288173879968. Its totient is φ = 107236118400.

The previous prime is 402135445163. The next prime is 402135445219. The reversal of 402135445200 is 2544531204.

402135445200 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 167555236 + ... + 167557635.

Almost surely, 2^402135445200 is an apocalyptic number.

402135445200 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

402135445200 is an abundant number, since it is smaller than the sum of its proper divisors (886038434768).

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

402135445200 is a wasteful number, since it uses less digits than its factorization.

402135445200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335112892 (or 335112881 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 402135445200 its reverse (2544531204), we get a palindrome (404679976404).

The spelling of 402135445200 in words is "four hundred two billion, one hundred thirty-five million, four hundred forty-five thousand, two hundred".