405397077263 has 64 divisors (see below), whose sum is σ = 472006656000. Its totient is φ = 346039879680.

The previous prime is 405397077257. The next prime is 405397077287. The reversal of 405397077263 is 362770793504.

It is a Cunningham number, because it is equal to 636708²-1.

It is not a de Polignac number, because 405397077263 - 2⁴ = 405397077247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405397077203) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 122883188 + ... + 122886486.

It is an arithmetic number, because the mean of its divisors is an integer number (7375104000).

Almost surely, 2^405397077263 is an apocalyptic number.

405397077263 is a deficient number, since it is larger than the sum of its proper divisors (66609578737).

405397077263 is a wasteful number, since it uses less digits than its factorization.

405397077263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3612.

The product of its (nonzero) digits is 6667920, while the sum is 53.

The spelling of 405397077263 in words is "four hundred five billion, three hundred ninety-seven million, seventy-seven thousand, two hundred sixty-three".