400419057 has 8 divisors (see below), whose sum is σ = 534964000. Its totient is φ = 266410080.

The previous prime is 400419011. The next prime is 400419059. The reversal of 400419057 is 750914004.

It is a happy number.

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

It is not a de Polignac number, because 400419057 - 2⁷ = 400418929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (400419059) 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 7 ways as a sum of consecutive naturals, for example, 132244 + ... + 135237.

It is an arithmetic number, because the mean of its divisors is an integer number (66870500).

Almost surely, 2^400419057 is an apocalyptic number.

It is an amenable number.

400419057 is a deficient number, since it is larger than the sum of its proper divisors (134544943).

400419057 is a wasteful number, since it uses less digits than its factorization.

400419057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267983.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 400419057 is about 20010.4736825493. The cubic root of 400419057 is about 737.0635131244.

The spelling of 400419057 in words is "four hundred million, four hundred nineteen thousand, fifty-seven".