401004457 has 16 divisors (see below), whose sum is σ = 465010560. Its totient is φ = 338700672.

The previous prime is 401004451. The next prime is 401004463. The reversal of 401004457 is 754400104.

It is an interprime number because it is at equal distance from previous prime (401004451) and next prime (401004463).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-401004457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (401004451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 329983 + ... + 331195.

It is an arithmetic number, because the mean of its divisors is an integer number (29063160).

Almost surely, 2^401004457 is an apocalyptic number.

It is an amenable number.

401004457 is a deficient number, since it is larger than the sum of its proper divisors (64006103).

401004457 is a wasteful number, since it uses less digits than its factorization.

401004457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1872.

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 401004457 is about 20025.0956801709. The cubic root of 401004457 is about 737.4225260760.

The spelling of 401004457 in words is "four hundred one million, four thousand, four hundred fifty-seven".