651024042 has 32 divisors (see below), whose sum is σ = 1338754560. Its totient is φ = 210939120.

The previous prime is 651024041. The next prime is 651024071. The reversal of 651024042 is 240420156.

It is not an unprimeable number, because it can be changed into a prime (651024041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48459 + ... + 60417.

It is an arithmetic number, because the mean of its divisors is an integer number (41836080).

Almost surely, 2^651024042 is an apocalyptic number.

651024042 is an abundant number, since it is smaller than the sum of its proper divisors (687730518).

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

651024042 is a wasteful number, since it uses less digits than its factorization.

651024042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12218.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 651024042 is about 25515.1727801322. The cubic root of 651024042 is about 866.6937719005.

Adding to 651024042 its reverse (240420156), we get a palindrome (891444198).

The spelling of 651024042 in words is "six hundred fifty-one million, twenty-four thousand, forty-two".