400452015 has 8 divisors (see below), whose sum is σ = 640723248. Its totient is φ = 213574400.

The previous prime is 400451993. The next prime is 400452061. The reversal of 400452015 is 510254004.

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

It is not a de Polignac number, because 400452015 - 2⁸ = 400451759 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 400451982 and 400452000.

It is a congruent number.

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, 13348386 + ... + 13348415.

It is an arithmetic number, because the mean of its divisors is an integer number (80090406).

Almost surely, 2^400452015 is an apocalyptic number.

400452015 is a deficient number, since it is larger than the sum of its proper divisors (240271233).

400452015 is a wasteful number, since it uses less digits than its factorization.

400452015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26696809.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 400452015 is about 20011.2971843406. The cubic root of 400452015 is about 737.0837348333.

The spelling of 400452015 in words is "four hundred million, four hundred fifty-two thousand, fifteen".