401235875152 has 120 divisors (see below), whose sum is σ = 927517468416. Its totient is φ = 167565210624.

The previous prime is 401235875147. The next prime is 401235875153. The reversal of 401235875152 is 251578532104.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a junction number, because it is equal to n+sod(n) for n = 401235875099 and 401235875108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401235875153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14583553 + ... + 14611039.

Almost surely, 2^401235875152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 401235875152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (463758734208).

401235875152 is an abundant number, since it is smaller than the sum of its proper divisors (526281593264).

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

401235875152 is a wasteful number, since it uses less digits than its factorization.

401235875152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27985 (or 27972 counting only the distinct ones).

The product of its (nonzero) digits is 336000, while the sum is 43.

The spelling of 401235875152 in words is "four hundred one billion, two hundred thirty-five million, eight hundred seventy-five thousand, one hundred fifty-two".