378510003405 has 24 divisors (see below), whose sum is σ = 680383415712. Its totient is φ = 201872001168.

The previous prime is 378510003401. The next prime is 378510003437. The reversal of 378510003405 is 504300015873.

It is not a de Polignac number, because 378510003405 - 2² = 378510003401 is a prime.

It is a super-2 number, since 2×378510003405² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 378510003405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378510003401) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 155764219 + ... + 155766648.

It is an arithmetic number, because the mean of its divisors is an integer number (28349308988).

Almost surely, 2^378510003405 is an apocalyptic number.

It is an amenable number.

378510003405 is a deficient number, since it is larger than the sum of its proper divisors (301873412307).

378510003405 is an equidigital number, since it uses as much as digits as its factorization.

378510003405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311530887 (or 311530875 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The spelling of 378510003405 in words is "three hundred seventy-eight billion, five hundred ten million, three thousand, four hundred five".