400460715 has 12 divisors (see below), whose sum is σ = 694131984. Its totient is φ = 213579024.

The previous prime is 400460713. The next prime is 400460729. The reversal of 400460715 is 517064004.

400460715 is a `hidden beast` number, since 40 + 0 + 4 + 607 + 15 = 666.

It is not a de Polignac number, because 400460715 - 2¹ = 400460713 is a prime.

It is a super-2 number, since 2×400460715² = 320737568516622450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (400460713) 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 11 ways as a sum of consecutive naturals, for example, 4449519 + ... + 4449608.

It is an arithmetic number, because the mean of its divisors is an integer number (57844332).

Almost surely, 2^400460715 is an apocalyptic number.

400460715 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

400460715 is a deficient number, since it is larger than the sum of its proper divisors (293671269).

400460715 is a wasteful number, since it uses less digits than its factorization.

400460715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8899138 (or 8899135 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 400460715 is about 20011.5145603725. The cubic root of 400460715 is about 737.0890726197.

The spelling of 400460715 in words is "four hundred million, four hundred sixty thousand, seven hundred fifteen".