401050048621 has 8 divisors (see below), whose sum is σ = 409015868184. Its totient is φ = 393129107520.

The previous prime is 401050048591. The next prime is 401050048687. The reversal of 401050048621 is 126840050104.

It can be written as a sum of positive squares in 4 ways, for example, as 146972556900 + 254077491721 = 383370^2 + 504061^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 401050048621 - 2¹³ = 401050040429 is a prime.

It is a super-2 number, since 2×401050048621² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401050048691) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11201566 + ... + 11237311.

It is an arithmetic number, because the mean of its divisors is an integer number (51126983523).

Almost surely, 2^401050048621 is an apocalyptic number.

It is an amenable number.

401050048621 is a deficient number, since it is larger than the sum of its proper divisors (7965819563).

401050048621 is a wasteful number, since it uses less digits than its factorization.

401050048621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22439231.

The product of its (nonzero) digits is 7680, while the sum is 31.

Adding to 401050048621 its reverse (126840050104), we get a palindrome (527890098725).

The spelling of 401050048621 in words is "four hundred one billion, fifty million, forty-eight thousand, six hundred twenty-one".