1404665352 has 24 divisors (see below), whose sum is σ = 3804302190. Its totient is φ = 468221760.

The previous prime is 1404665347. The next prime is 1404665389. The reversal of 1404665352 is 2535664041.

1404665352 is a `hidden beast` number, since 140 + 466 + 5 + 3 + 52 = 666.

1404665352 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1202286276 + 202379076 = 34674^2 + 14226^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×1404665352² = 3946169502218567808, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9754549 + ... + 9754692.

Almost surely, 2^1404665352 is an apocalyptic number.

1404665352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1404665352 is an abundant number, since it is smaller than the sum of its proper divisors (2399636838).

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

1404665352 is a wasteful number, since it uses less digits than its factorization.

1404665352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19509253 (or 19509246 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The square root of 1404665352 is about 37478.8654043849. The cubic root of 1404665352 is about 1119.9302018578.

The spelling of 1404665352 in words is "one billion, four hundred four million, six hundred sixty-five thousand, three hundred fifty-two".