400748115 has 8 divisors (see below), whose sum is σ = 641197008. Its totient is φ = 213732320.

The previous prime is 400748083. The next prime is 400748141. The reversal of 400748115 is 511847004.

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

It is not a de Polignac number, because 400748115 - 2⁵ = 400748083 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13358256 + ... + 13358285.

It is an arithmetic number, because the mean of its divisors is an integer number (80149626).

Almost surely, 2^400748115 is an apocalyptic number.

400748115 is a deficient number, since it is larger than the sum of its proper divisors (240448893).

400748115 is a wasteful number, since it uses less digits than its factorization.

400748115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26716549.

The product of its (nonzero) digits is 4480, while the sum is 30.

The square root of 400748115 is about 20018.6941382299. The cubic root of 400748115 is about 737.2653601927.

The spelling of 400748115 in words is "four hundred million, seven hundred forty-eight thousand, one hundred fifteen".