425771040 has 192 divisors, whose sum is σ = 1409788800. Its totient is φ = 107864064.

The previous prime is 425771023. The next prime is 425771077. The reversal of 425771040 is 40177524.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 425770989 and 425771007.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1015951 + ... + 1016369.

It is an arithmetic number, because the mean of its divisors is an integer number (7342650).

Almost surely, 2^425771040 is an apocalyptic number.

425771040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 425771040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (704894400).

425771040 is an abundant number, since it is smaller than the sum of its proper divisors (984017760).

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

425771040 is a wasteful number, since it uses less digits than its factorization.

425771040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539 (or 531 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 30.

The square root of 425771040 is about 20634.2201209544. The cubic root of 425771040 is about 752.3016934945.

The spelling of 425771040 in words is "four hundred twenty-five million, seven hundred seventy-one thousand, forty".