401506244 has 6 divisors (see below), whose sum is σ = 702635934. Its totient is φ = 200753120.

The previous prime is 401506229. The next prime is 401506253. The reversal of 401506244 is 442605104.

It can be written as a sum of positive squares in only one way, i.e., 398401600 + 3104644 = 19960^2 + 1762^2 .

It is a super-2 number, since 2×401506244² = 322414527941975072, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50188277 + ... + 50188284.

It is an arithmetic number, because the mean of its divisors is an integer number (117105989).

Almost surely, 2^401506244 is an apocalyptic number.

It is an amenable number.

401506244 is a deficient number, since it is larger than the sum of its proper divisors (301129690).

401506244 is a wasteful number, since it uses less digits than its factorization.

401506244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100376565 (or 100376563 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 401506244 is about 20037.6207170412. The cubic root of 401506244 is about 737.7299830096.

The spelling of 401506244 in words is "four hundred one million, five hundred six thousand, two hundred forty-four".