401500000279 has 8 divisors (see below), whose sum is σ = 459310119840. Its totient is φ = 343803124896.

The previous prime is 401500000261. The next prime is 401500000337. The reversal of 401500000279 is 972000005104.

It is a happy number.

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

It is not a de Polignac number, because 401500000279 - 2⁵ = 401500000247 is a prime.

It is a super-2 number, since 2×401500000279² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401500000229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28303444 + ... + 28317625.

It is an arithmetic number, because the mean of its divisors is an integer number (57413764980).

Almost surely, 2^401500000279 is an apocalyptic number.

401500000279 is a deficient number, since it is larger than the sum of its proper divisors (57810119561).

401500000279 is a wasteful number, since it uses less digits than its factorization.

401500000279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56622089.

The product of its (nonzero) digits is 2520, while the sum is 28.

The spelling of 401500000279 in words is "four hundred one billion, five hundred million, two hundred seventy-nine", and thus it is an aban number.