400486485 has 32 divisors (see below), whose sum is σ = 734146560. Its totient is φ = 182622528.

The previous prime is 400486481. The next prime is 400486487. The reversal of 400486485 is 584684004.

It is not a de Polignac number, because 400486485 - 2² = 400486481 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400486481) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39444 + ... + 48546.

It is an arithmetic number, because the mean of its divisors is an integer number (22942080).

Almost surely, 2^400486485 is an apocalyptic number.

It is an amenable number.

400486485 is a deficient number, since it is larger than the sum of its proper divisors (333660075).

400486485 is a wasteful number, since it uses less digits than its factorization.

400486485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9537.

The product of its (nonzero) digits is 122880, while the sum is 39.

The square root of 400486485 is about 20012.1584293149. The cubic root of 400486485 is about 737.1048830578.

The spelling of 400486485 in words is "four hundred million, four hundred eighty-six thousand, four hundred eighty-five".