651284496 has 40 divisors (see below), whose sum is σ = 1869428960. Its totient is φ = 217094688.

The previous prime is 651284479. The next prime is 651284507. The reversal of 651284496 is 694482156.

651284496 is a `hidden beast` number, since 6 + 512 + 8 + 44 + 96 = 666.

It is a super-3 number, since 3×651284496³ (a number of 27 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 753370 + ... + 754233.

It is an arithmetic number, because the mean of its divisors is an integer number (46735724).

Almost surely, 2^651284496 is an apocalyptic number.

It is an amenable number.

651284496 is an abundant number, since it is smaller than the sum of its proper divisors (1218144464).

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

651284496 is a wasteful number, since it uses less digits than its factorization.

651284496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1507620 (or 1507608 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The square root of 651284496 is about 25520.2761740542. The cubic root of 651284496 is about 866.8093353558.

The spelling of 651284496 in words is "six hundred fifty-one million, two hundred eighty-four thousand, four hundred ninety-six".