648700426 has 16 divisors (see below), whose sum is σ = 1066074048. Its totient is φ = 293596000.

The previous prime is 648700417. The next prime is 648700427. The reversal of 648700426 is 624007846.

It is not an unprimeable number, because it can be changed into a prime (648700427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58150 + ... + 68401.

It is an arithmetic number, because the mean of its divisors is an integer number (66629628).

Almost surely, 2^648700426 is an apocalyptic number.

648700426 is a deficient number, since it is larger than the sum of its proper divisors (417373622).

648700426 is a wasteful number, since it uses less digits than its factorization.

648700426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126797.

The product of its (nonzero) digits is 64512, while the sum is 37.

The square root of 648700426 is about 25469.5980729968. The cubic root of 648700426 is about 865.6614166731.

The spelling of 648700426 in words is "six hundred forty-eight million, seven hundred thousand, four hundred twenty-six".