400253086 has 12 divisors (see below), whose sum is σ = 610394616. Its totient is φ = 196842120.

The previous prime is 400253071. The next prime is 400253101. The reversal of 400253086 is 680352004.

It is an interprime number because it is at equal distance from previous prime (400253071) and next prime (400253101).

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 19450 + ... + 34333.

It is an arithmetic number, because the mean of its divisors is an integer number (50866218).

Almost surely, 2^400253086 is an apocalyptic number.

400253086 is a deficient number, since it is larger than the sum of its proper divisors (210141530).

400253086 is an equidigital number, since it uses as much as digits as its factorization.

400253086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53907 (or 53846 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 400253086 is about 20006.3261494958. The cubic root of 400253086 is about 736.9616630984.

The spelling of 400253086 in words is "four hundred million, two hundred fifty-three thousand, eighty-six".