401225536 has 14 divisors (see below), whose sum is σ = 796182050. Its totient is φ = 200612736.

The previous prime is 401225533. The next prime is 401225557. The reversal of 401225536 is 635522104.

It can be written as a sum of positive squares in only one way, i.e., 258566400 + 142659136 = 16080^2 + 11944^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401225533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3134511 + ... + 3134638.

Almost surely, 2^401225536 is an apocalyptic number.

It is an amenable number.

401225536 is a deficient number, since it is larger than the sum of its proper divisors (394956514).

401225536 is an equidigital number, since it uses as much as digits as its factorization.

401225536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6269161 (or 6269151 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 401225536 is about 20030.6149680932. The cubic root of 401225536 is about 737.5580180729.

The spelling of 401225536 in words is "four hundred one million, two hundred twenty-five thousand, five hundred thirty-six".