400141015 has 8 divisors (see below), whose sum is σ = 491336208. Its totient is φ = 312668160.

The previous prime is 400140991. The next prime is 400141031. The reversal of 400141015 is 510141004.

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

It is not a de Polignac number, because 400141015 - 2¹⁹ = 399616727 is a prime.

It is a super-2 number, since 2×400141015² = 320225663770460450, which contains 22 as substring.

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 400141015.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 930346 + ... + 930775.

It is an arithmetic number, because the mean of its divisors is an integer number (61417026).

Almost surely, 2^400141015 is an apocalyptic number.

400141015 is a deficient number, since it is larger than the sum of its proper divisors (91195193).

400141015 is a wasteful number, since it uses less digits than its factorization.

400141015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1861169.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 400141015 is about 20003.5250643480. The cubic root of 400141015 is about 736.8928735057.

Adding to 400141015 its reverse (510141004), we get a palindrome (910282019).

The spelling of 400141015 in words is "four hundred million, one hundred forty-one thousand, fifteen".