401525215050 has 48 divisors (see below), whose sum is σ = 995905356192. Its totient is φ = 107060184000.

The previous prime is 401525215037. The next prime is 401525215099. The reversal of 401525215050 is 50512525104.

It is a super-2 number, since 2×401525215050² (a number of 24 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 401525214999 and 401525215017.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1086625 + ... + 1408475.

It is an arithmetic number, because the mean of its divisors is an integer number (20748028254).

Almost surely, 2^401525215050 is an apocalyptic number.

401525215050 is an abundant number, since it is smaller than the sum of its proper divisors (594380141142).

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

401525215050 is a wasteful number, since it uses less digits than its factorization.

401525215050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330183 (or 330178 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 30.

The spelling of 401525215050 in words is "four hundred one billion, five hundred twenty-five million, two hundred fifteen thousand, fifty".