406375057 has 8 divisors (see below), whose sum is σ = 458605440. Its totient is φ = 356692560.

The previous prime is 406375051. The next prime is 406375087. The reversal of 406375057 is 750573604.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-406375057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (406375051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 636633 + ... + 637270.

It is an arithmetic number, because the mean of its divisors is an integer number (57325680).

Almost surely, 2^406375057 is an apocalyptic number.

It is an amenable number.

406375057 is a deficient number, since it is larger than the sum of its proper divisors (52230383).

406375057 is a wasteful number, since it uses less digits than its factorization.

406375057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1273943.

The product of its (nonzero) digits is 88200, while the sum is 37.

The square root of 406375057 is about 20158.7464143979. The cubic root of 406375057 is about 740.7000053812.

The spelling of 406375057 in words is "four hundred six million, three hundred seventy-five thousand, fifty-seven".