650326432 has 144 divisors (see below), whose sum is σ = 1629911808. Its totient is φ = 253532160.

The previous prime is 650326427. The next prime is 650326507. The reversal of 650326432 is 234623056.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a junction number, because it is equal to n+sod(n) for n = 650326394 and 650326403.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 825943 + ... + 826729.

It is an arithmetic number, because the mean of its divisors is an integer number (11318832).

Almost surely, 2^650326432 is an apocalyptic number.

650326432 is a gapful number since it is divisible by the number (62) 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 650326432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (814955904).

650326432 is an abundant number, since it is smaller than the sum of its proper divisors (979585376).

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

650326432 is a wasteful number, since it uses less digits than its factorization.

650326432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 859 (or 844 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 31.

The square root of 650326432 is about 25501.4986226300. The cubic root of 650326432 is about 866.3840903876.

Adding to 650326432 its reverse (234623056), we get a palindrome (884949488).

The spelling of 650326432 in words is "six hundred fifty million, three hundred twenty-six thousand, four hundred thirty-two".