650425776 has 160 divisors (see below), whose sum is σ = 2256188928. Its totient is φ = 155934720.

The previous prime is 650425771. The next prime is 650425793. The reversal of 650425776 is 677524056.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (650425771) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41280 + ... + 54816.

Almost surely, 2^650425776 is an apocalyptic number.

650425776 is a gapful number since it is divisible by the number (66) 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 650425776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1128094464).

650425776 is an abundant number, since it is smaller than the sum of its proper divisors (1605763152).

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

650425776 is a wasteful number, since it uses less digits than its factorization.

650425776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13579 (or 13573 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 42.

The square root of 650425776 is about 25503.4463553458. The cubic root of 650425776 is about 866.4282044789.

It can be divided in two parts, 650 and 425776, that added together give a triangular number (426426 = T₉₂₃).

The spelling of 650425776 in words is "six hundred fifty million, four hundred twenty-five thousand, seven hundred seventy-six".