400246704 has 480 divisors, whose sum is σ = 1477683200. Its totient is φ = 102643200.

The previous prime is 400246669. The next prime is 400246711. The reversal of 400246704 is 407642004.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 95 ways as a sum of consecutive naturals, for example, 12911169 + ... + 12911199.

Almost surely, 2^400246704 is an apocalyptic number.

400246704 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 400246704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (738841600).

400246704 is an abundant number, since it is smaller than the sum of its proper divisors (1077436496).

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

400246704 is a wasteful number, since it uses less digits than its factorization.

400246704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102 (or 79 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

The square root of 400246704 is about 20006.1666493109. The cubic root of 400246704 is about 736.9577461481.

Adding to 400246704 its reverse (407642004), we get a palindrome (807888708).

The spelling of 400246704 in words is "four hundred million, two hundred forty-six thousand, seven hundred four".