434440125542855 has 16 divisors (see below), whose sum is σ = 526457225140704. Its totient is φ = 344144328253440.

The previous prime is 434440125542837. The next prime is 434440125542939. The reversal of 434440125542855 is 558245521044434.

It is a happy number.

It is not a de Polignac number, because 434440125542855 - 2⁶ = 434440125542791 is a prime.

It is a super-2 number, since 2×434440125542855² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 434440125542855.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 725376122 + ... + 725974791.

It is an arithmetic number, because the mean of its divisors is an integer number (32903576571294).

Almost surely, 2^{434440125542855} is an apocalyptic number.

434440125542855 is a deficient number, since it is larger than the sum of its proper divisors (92017099597849).

434440125542855 is a wasteful number, since it uses less digits than its factorization.

434440125542855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1451351506.

The product of its (nonzero) digits is 61440000, while the sum is 56.

The spelling of 434440125542855 in words is "four hundred thirty-four trillion, four hundred forty billion, one hundred twenty-five million, five hundred forty-two thousand, eight hundred fifty-five".