407142444434 has 16 divisors (see below), whose sum is σ = 676176870816. Its totient is φ = 182302586400.

The previous prime is 407142444427. The next prime is 407142444439. The reversal of 407142444434 is 434444241704.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 407142444391 and 407142444400.

It is not an unprimeable number, because it can be changed into a prime (407142444439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138106547 + ... + 138109494.

It is an arithmetic number, because the mean of its divisors is an integer number (42261054426).

Almost surely, 2^407142444434 is an apocalyptic number.

407142444434 is a deficient number, since it is larger than the sum of its proper divisors (269034426382).

407142444434 is a wasteful number, since it uses less digits than its factorization.

407142444434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276216121.

The product of its (nonzero) digits is 688128, while the sum is 41.

The spelling of 407142444434 in words is "four hundred seven billion, one hundred forty-two million, four hundred forty-four thousand, four hundred thirty-four".