401237792 has 18 divisors (see below), whose sum is σ = 790160049. Its totient is φ = 200562240.

The previous prime is 401237729. The next prime is 401237813. The reversal of 401237792 is 297732104.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 398561296 + 2676496 = 19964^2 + 1636^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=14164.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 111542 + ... + 115082.

Almost surely, 2^401237792 is an apocalyptic number.

It is an amenable number.

401237792 is a deficient number, since it is larger than the sum of its proper divisors (388922257).

401237792 is an frugal number, since it uses more digits than its factorization.

401237792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7092 (or 3543 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 401237792 is about 20030.9208974525. The cubic root of 401237792 is about 737.5655279131.

Adding to 401237792 its reverse (297732104), we get a palindrome (698969896).

The spelling of 401237792 in words is "four hundred one million, two hundred thirty-seven thousand, seven hundred ninety-two".