425804069490 has 32 divisors (see below), whose sum is σ = 1024165969920. Its totient is φ = 113299284864.

The previous prime is 425804069479. The next prime is 425804069497. The reversal of 425804069490 is 94960408524.

It is not an unprimeable number, because it can be changed into a prime (425804069497) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15515250 + ... + 15542669.

It is an arithmetic number, because the mean of its divisors is an integer number (32005186560).

Almost surely, 2^425804069490 is an apocalyptic number.

425804069490 is an abundant number, since it is smaller than the sum of its proper divisors (598361900430).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

425804069490 is a wasteful number, since it uses less digits than its factorization.

425804069490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31058386.

The product of its (nonzero) digits is 2488320, while the sum is 51.

The spelling of 425804069490 in words is "four hundred twenty-five billion, eight hundred four million, sixty-nine thousand, four hundred ninety".