400534360 has 16 divisors (see below), whose sum is σ = 901202400. Its totient is φ = 160213728.

The previous prime is 400534327. The next prime is 400534367. The reversal of 400534360 is 63435004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400534367) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 5006640 + ... + 5006719.

It is an arithmetic number, because the mean of its divisors is an integer number (56325150).

Almost surely, 2^400534360 is an apocalyptic number.

400534360 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

400534360 is an abundant number, since it is smaller than the sum of its proper divisors (500668040).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

400534360 is a wasteful number, since it uses less digits than its factorization.

400534360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10013370 (or 10013366 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 400534360 is about 20013.3545414056. The cubic root of 400534360 is about 737.1342535788.

Adding to 400534360 its reverse (63435004), we get a palindrome (463969364).

The spelling of 400534360 in words is "four hundred million, five hundred thirty-four thousand, three hundred sixty".