649222726224 has 20 divisors (see below), whose sum is σ = 1677158709536. Its totient is φ = 216407575392.

The previous prime is 649222726213. The next prime is 649222726283. The reversal of 649222726224 is 422627222946.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 13525473463 = 649222726224 / (6 + 4 + 9 + 2 + 2 + 2 + 7 + 2 + 6 + 2 + 2 + 4).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6762736684 + ... + 6762736779.

Almost surely, 2^649222726224 is an apocalyptic number.

It is an amenable number.

649222726224 is an abundant number, since it is smaller than the sum of its proper divisors (1027935983312).

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

649222726224 is a wasteful number, since it uses less digits than its factorization.

649222726224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13525473474 (or 13525473468 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 48.

The spelling of 649222726224 in words is "six hundred forty-nine billion, two hundred twenty-two million, seven hundred twenty-six thousand, two hundred twenty-four".