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22375439940 = 22357372276343
BaseRepresentation
bin10100110101101011…
…100001111001000100
32010202101100010020210
4110311223201321010
5331311103034230
614140143155420
71421325046530
oct246553417104
963671303223
1022375439940
119542397227
1244055a5b70
1321578746b9
141123990bc0
158ae58eeb0
hex535ae1e44

22375439940 has 192 divisors, whose sum is σ = 73872175104. Its totient is φ = 4953457152.

The previous prime is 22375439869. The next prime is 22375439971. The reversal of 22375439940 is 4993457322.

It is a self number, because there is not a number n which added to its sum of digits gives 22375439940.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 3524409 + ... + 3530751.

It is an arithmetic number, because the mean of its divisors is an integer number (384750912).

Almost surely, 222375439940 is an apocalyptic number.

22375439940 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 22375439940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36936087552).

22375439940 is an abundant number, since it is smaller than the sum of its proper divisors (51496735164).

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

22375439940 is a wasteful number, since it uses less digits than its factorization.

22375439940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6626 (or 6624 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 48.

The spelling of 22375439940 in words is "twenty-two billion, three hundred seventy-five million, four hundred thirty-nine thousand, nine hundred forty".