400572115 has 8 divisors (see below), whose sum is σ = 480804048. Its totient is φ = 320379360.

The previous prime is 400572113. The next prime is 400572121. The reversal of 400572115 is 511275004.

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

It is not a de Polignac number, because 400572115 - 2¹ = 400572113 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 400572115.

It is not an unprimeable number, because it can be changed into a prime (400572113) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 22224 + ... + 35986.

It is an arithmetic number, because the mean of its divisors is an integer number (60100506).

Almost surely, 2^400572115 is an apocalyptic number.

400572115 is a deficient number, since it is larger than the sum of its proper divisors (80231933).

400572115 is a wasteful number, since it uses less digits than its factorization.

400572115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19589.

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 400572115 is about 20014.2977643484. The cubic root of 400572115 is about 737.1574139966.

The spelling of 400572115 in words is "four hundred million, five hundred seventy-two thousand, one hundred fifteen".