401560704 has 96 divisors (see below), whose sum is σ = 1186889340. Its totient is φ = 130222080.

The previous prime is 401560669. The next prime is 401560711. The reversal of 401560704 is 407065104.

401560704 is a `hidden beast` number, since 40 + 15 + 607 + 0 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 393943104 + 7617600 = 19848^2 + 2760^2 .

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×401560704² = 322501997993951232, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37914 + ... + 47334.

Almost surely, 2^401560704 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 401560704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (593444670).

401560704 is an abundant number, since it is smaller than the sum of its proper divisors (785328636).

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

401560704 is a wasteful number, since it uses less digits than its factorization.

401560704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9478 (or 9463 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 401560704 is about 20038.9796147409. The cubic root of 401560704 is about 737.7633365452.

The spelling of 401560704 in words is "four hundred one million, five hundred sixty thousand, seven hundred four".