405026051045 has 32 divisors (see below), whose sum is σ = 606212536320. Its totient is φ = 252378987840.

The previous prime is 405026051029. The next prime is 405026051083. The reversal of 405026051045 is 540150620504.

It is not a de Polignac number, because 405026051045 - 2⁴ = 405026051029 is a prime.

It is a super-2 number, since 2×405026051045² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 715766 + ... + 1149944.

It is an arithmetic number, because the mean of its divisors is an integer number (18944141760).

Almost surely, 2^405026051045 is an apocalyptic number.

It is an amenable number.

405026051045 is a deficient number, since it is larger than the sum of its proper divisors (201186485275).

405026051045 is a wasteful number, since it uses less digits than its factorization.

405026051045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436625.

The product of its (nonzero) digits is 24000, while the sum is 32.

Adding to 405026051045 its reverse (540150620504), we get a palindrome (945176671549).

The spelling of 405026051045 in words is "four hundred five billion, twenty-six million, fifty-one thousand, forty-five".