405771380253 has 96 divisors (see below), whose sum is σ = 643857177600. Its totient is φ = 254956377600.

The previous prime is 405771380237. The next prime is 405771380263. The reversal of 405771380253 is 352083177504.

405771380253 is a `hidden beast` number, since 40 + 577 + 1 + 38 + 0 + 2 + 5 + 3 = 666.

It is not a de Polignac number, because 405771380253 - 2⁴ = 405771380237 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 405771380199 and 405771380208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405771380213) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 330163243 + ... + 330164471.

It is an arithmetic number, because the mean of its divisors is an integer number (6706845600).

Almost surely, 2^405771380253 is an apocalyptic number.

It is an amenable number.

405771380253 is a deficient number, since it is larger than the sum of its proper divisors (238085797347).

405771380253 is a wasteful number, since it uses less digits than its factorization.

405771380253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2385 (or 2373 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 45.

The spelling of 405771380253 in words is "four hundred five billion, seven hundred seventy-one million, three hundred eighty thousand, two hundred fifty-three".