22649926320 has 400 divisors, whose sum is σ = 90275347008. Its totient is φ = 5155799040.

The previous prime is 22649926309. The next prime is 22649926333. The reversal of 22649926320 is 2362994622.

22649926320 is a `hidden beast` number, since 2 + 2 + 6 + 4 + 9 + 9 + 2 + 632 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 12745272 + ... + 12747048.

Almost surely, 2^22649926320 is an apocalyptic number.

22649926320 is a gapful number since it is divisible by the number (20) 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 22649926320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45137673504).

22649926320 is an abundant number, since it is smaller than the sum of its proper divisors (67625420688).

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

22649926320 is a wasteful number, since it uses less digits than its factorization.

22649926320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2090 (or 2075 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 45.

The spelling of 22649926320 in words is "twenty-two billion, six hundred forty-nine million, nine hundred twenty-six thousand, three hundred twenty".