401040074 has 8 divisors (see below), whose sum is σ = 601646628. Its totient is φ = 200491200.

The previous prime is 401040067. The next prime is 401040083. The reversal of 401040074 is 470040104.

It can be written as a sum of positive squares in 2 ways, for example, as 384434449 + 16605625 = 19607^2 + 4075^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14834 + ... + 31970.

Almost surely, 2^401040074 is an apocalyptic number.

401040074 is a deficient number, since it is larger than the sum of its proper divisors (200606554).

401040074 is a wasteful number, since it uses less digits than its factorization.

401040074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28840.

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 401040074 is about 20025.9849695340. The cubic root of 401040074 is about 737.4443579202. Note that the first 3 decimals are identical.

Adding to 401040074 its reverse (470040104), we get a palindrome (871080178).

The spelling of 401040074 in words is "four hundred one million, forty thousand, seventy-four".