425763390 has 96 divisors (see below), whose sum is σ = 1121541120. Its totient is φ = 103379328.

The previous prime is 425763383. The next prime is 425763391. The reversal of 425763390 is 93367524.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425763391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 399999 + ... + 401061.

It is an arithmetic number, because the mean of its divisors is an integer number (11682720).

Almost surely, 2^425763390 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 425763390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (560770560).

425763390 is an abundant number, since it is smaller than the sum of its proper divisors (695777730).

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

425763390 is a wasteful number, since it uses less digits than its factorization.

425763390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1178 (or 1165 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 39.

The square root of 425763390 is about 20634.0347484441. The cubic root of 425763390 is about 752.2971878315.

The spelling of 425763390 in words is "four hundred twenty-five million, seven hundred sixty-three thousand, three hundred ninety".