425626780 has 24 divisors (see below), whose sum is σ = 894215952. Its totient is φ = 170174592.

The previous prime is 425626763. The next prime is 425626793. The reversal of 425626780 is 87626524.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68899 + ... + 74821.

It is an arithmetic number, because the mean of its divisors is an integer number (37258998).

Almost surely, 2^425626780 is an apocalyptic number.

It is an amenable number.

425626780 is an abundant number, since it is smaller than the sum of its proper divisors (468589172).

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

425626780 is a wasteful number, since it uses less digits than its factorization.

425626780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9525 (or 9523 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 40.

The square root of 425626780 is about 20630.7241753652. The cubic root of 425626780 is about 752.2167187926.

The spelling of 425626780 in words is "four hundred twenty-five million, six hundred twenty-six thousand, seven hundred eighty".